{"title":"Mini Cooper PCV System Repair Kits","description":"\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI Crankcase Ventilation (PCV) Systems and Components\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI’s compact turbo engines demand reliable PCV operation. A small failure can escalate to oil leaks, turbo seal wear, and drivability faults unless diagnosed or the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI PCV\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cspan\u003e \u003c\/span\u003eis repaired correctly. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003ePCV System Role in MINI Cooper Turbo Engines\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe default\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI PCV\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003esystem uses an oil separator, a metering diaphragm, a valve, and routed hoses. Most engine designs integrate these elements into the valve cover or breather module to save space while requiring precise boost shutoff.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eTypical PCV Failures in MINI Vehicles\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eA quick list of recurring faults and their effects:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\n\u003cspan style=\"font-weight: 400;\"\u003eTorn or leaking\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI PCV\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cspan\u003e \u003c\/span\u003ediaphragm. Uncontrolled flow and oil ingestion.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eOil leaks from the gasket. Caused by sustained pressure.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eExcessive pressure under boost. Breather path that fails to close stress seals.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eOil vapor in the intake system. Fouled charge pipers and throttle components.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eAlso, listen to a whistling noise. Audible evidence of leaks or collapsed hoses.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eEarly Warning Signs MINI Owners Often Miss\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eKnowing what can break is good, but it’s even better to rule out a major\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI PCV valve replacement\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003e. If you prefer both options, make sure to check for some main symptoms, such as oil residue in the charge pipes or intake, a gradual increase in oil consumption, idle fluctuation after warm-up, or mild hesitation during acceleration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eWhen MINI PCV Valve or Valve Cover Replacement Is Required\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eStart small: replace the valve\/diaphragm and hoses if bench testing fails or oil appears in the charge pipes. Use a smoke test and crankcase pressure check. Replace the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI valve cover gasket\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eonly for cracks, warped seals, broken bosses, or an unusable separator.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eBenefits of Proper MINI-Specific PCV Components\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFresh components guarantee a return to solid engine performance. Plus, they:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRestore correct crankcase pressure.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eReduce oil leaks and vapor buildup.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eImprove idle stability and response.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eProtect turbocharger seals.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOverall, quality components maintain MINI engine performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eKlifex PCV Solutions for MINI Cooper\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eKlifex offers targeted kits with heat-resistant diaphragms, reinforced housings, and matched hoses to avoid full-coverage replacements. Check\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003eMINI Cooper PCV valve\u003c\/span\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cspan\u003e \u003c\/span\u003esymptoms and find the correct component.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"bmw-valve-cover-repair-kit-n13-n16-n18-11127646552","title":"Valve Cover PCV Repair Kit – BMW MINI N13 N16 N18 | OEM 11127646552","description":"\u003ch2\u003e11127646552 PCV Valve Cover Repair Kit for BMW \/ MINI N13, N16, N18\u003c\/h2\u003e\u003cp\u003eThis PCV valve cover repair kit is designed for BMW \/ MINI N13, N16 and N18 engine applications using OEM reference \u003cstrong\u003e11127646552\u003c\/strong\u003e. It repairs the diaphragm of the crankcase ventilation valve built into the valve cover and helps restore correct PCV system operation.\u003c\/p\u003e\u003cp\u003eThe kit is intended for targeted repair of the valve cover diaphragm area. It is not a complete valve cover assembly, complete crankcase ventilation valve, or full oil separator unit.\u003c\/p\u003e\u003ch2\u003eOEM \/ Reference Numbers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePrimary OEM number:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11127646552\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSecondary OEM \/ reference numbers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e11127603390\u003c\/li\u003e\n\u003cli\u003e11127646553\u003c\/li\u003e\n\u003cli\u003e11127601863\u003c\/li\u003e\n\u003cli\u003e0248S7\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct reference:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSKU: KL11127646552\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePart Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePCV valve cover repair kit\u003c\/li\u003e\n\u003cli\u003ecrankcase ventilation diaphragm repair kit\u003c\/li\u003e\n\u003cli\u003evalve cover diaphragm repair kit\u003c\/li\u003e\n\u003cli\u003ePCV membrane repair kit\u003c\/li\u003e\n\u003cli\u003eengine breather diaphragm repair kit\u003c\/li\u003e\n\u003cli\u003evalve cover PCV repair component\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Does\u003c\/h2\u003e\u003cp\u003eThe crankcase ventilation diaphragm regulates pressure inside the engine crankcase and controls the flow of blow-by gases and oil vapor through the PCV system. In BMW \/ MINI N13, N16 and N18 applications, this diaphragm is built into the valve cover and can become rough, cracked or broken over time.\u003c\/p\u003e\u003cp\u003eWhen the diaphragm fails, the engine may develop unstable ignition, idle interruptions, increased oil and fuel consumption, starting problems, or a whistling noise near the valve cover. Replacing the failed diaphragm helps restore proper crankcase ventilation while keeping the existing valve cover in service.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis valve cover repair kit is listed for BMW and MINI applications using compatible N13, N16 and N18 engine \/ valve cover configurations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMINI R55 LCI\u003c\/li\u003e\n\u003cli\u003eMINI R56 LCI\u003c\/li\u003e\n\u003cli\u003eMINI R57 LCI\u003c\/li\u003e\n\u003cli\u003eMINI R58\u003c\/li\u003e\n\u003cli\u003eMINI R59\u003c\/li\u003e\n\u003cli\u003eMINI R60\u003c\/li\u003e\n\u003cli\u003eMINI R61\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe product text also references BMW N13 repair context, including BMW F20 116i \/ 118i and BMW 316i F30 search use cases. Compatibility should be confirmed by OEM number, engine type and valve cover design before ordering.\u003c\/p\u003e\u003ch3\u003eEngine \/ Engine Family\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW \/ MINI N13\u003c\/li\u003e\n\u003cli\u003eBMW \/ MINI N16\u003c\/li\u003e\n\u003cli\u003eBMW \/ MINI N18\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Symptoms of Failure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ewhistling noise from the valve cover area\u003c\/li\u003e\n\u003cli\u003eunstable ignition\u003c\/li\u003e\n\u003cli\u003eengine does not start or starts poorly\u003c\/li\u003e\n\u003cli\u003einterruptions at idle\u003c\/li\u003e\n\u003cli\u003erough or unstable idle\u003c\/li\u003e\n\u003cli\u003eincreased oil consumption\u003c\/li\u003e\n\u003cli\u003eincreased fuel consumption\u003c\/li\u003e\n\u003cli\u003evacuum leak symptoms caused by a failed PCV diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTargets the exact repair intent for \u003cstrong\u003e11127646552\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlso supports related references 11127603390, 11127646553, 11127601863 and 0248S7\u003c\/li\u003e\n\u003cli\u003eRepairs the failed diaphragm inside the existing valve cover\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to replacing the complete valve cover when only the diaphragm has failed\u003c\/li\u003e\n\u003cli\u003eHelps restore crankcase ventilation and pressure regulation\u003c\/li\u003e\n\u003cli\u003eSuitable for BMW \/ MINI N13, N16 and N18 valve cover PCV repair applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Before Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck that your original valve cover or PCV system matches \u003cstrong\u003e11127646552\u003c\/strong\u003e or one of the listed reference numbers.\u003c\/li\u003e\n\u003cli\u003eConfirm that your vehicle uses a compatible N13, N16 or N18 engine.\u003c\/li\u003e\n\u003cli\u003eCompare the repair kit design with the diaphragm area of your original valve cover.\u003c\/li\u003e\n\u003cli\u003eThis is a valve cover PCV repair kit, not a complete valve cover assembly.\u003c\/li\u003e\n\u003cli\u003eDuring replacement, open the diaphragm cover carefully so the spring is not lost.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility by OEM number, engine type and part design before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does 11127646552 fit?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003e11127646552 is listed for BMW \/ MINI N13, N16 and N18 valve cover PCV repair applications, including MINI R55 LCI, R56 LCI, R57 LCI, R58, R59, R60 and R61 configurations shown on the product page.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs 11127603390 the same type of reference as 11127646552?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003e11127603390 is listed as a related valve cover reference for this PCV diaphragm repair kit. The main SEO and repair focus remains OEM reference 11127646552.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does this valve cover repair kit do?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eIt replaces the failed diaphragm of the crankcase ventilation valve built into the valve cover and helps restore correct PCV pressure control.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat symptoms indicate PCV diaphragm failure on N13, N16 or N18 engines?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eCommon symptoms include whistling noise near the valve cover, unstable ignition, idle interruptions, poor starting, increased oil consumption and increased fuel consumption.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs this a complete valve cover assembly?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eNo. This product is a PCV valve cover repair kit for the diaphragm area. It is not a complete valve cover assembly, complete PCV valve or full oil separator unit.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow do I confirm compatibility before ordering?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eConfirm OEM reference 11127646552 or one of the listed related numbers, check that your engine is N13, N16 or N18, and compare the repair kit design with the diaphragm area of your original valve cover.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698714444090,"sku":"KL11127646552","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2749980251-remkomplekt-klapannoj-kryshki.jpg?v=1754552944"},{"product_id":"valve-cover-diaphragm-mini-cooper-r56-1-6d-11127804877","title":"Valve Cover PCV Diaphragm 51mm – MINI Cooper R56 1.6D | OEM 11127804877","description":"\u003ch1\u003eValve Cover PCV Diaphragm 51mm — MINI Cooper R56 1.6D | OEM 11127804877\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eStop Oil Consumption on Your MINI Cooper R56 1.6D — 51mm Direct Replacement Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed 51mm valve cover PCV diaphragm on the MINI Cooper R56 1.6D causes oil mist in the intake, oil consumption, and crankcase fault codes. Direct replacement — restores correct crankcase ventilation.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003eMINI Cooper R56 with 1.6 DI Turbo diesel engine\u003c\/p\u003e\n\u003ch2\u003eOEM Reference\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11127804877\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698726535482,"sku":"KL11127804877","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2613955861-membrana-klapannoj-kryshki.jpg?v=1754553258"},{"product_id":"valve-cover-diaphragm-bmw-n13-n16-n18-11127646553","title":"Valve Cover PCV Diaphragm – BMW \/ MINI N13 N16 N18 | OEM 11127646553","description":"\u003ch2\u003e11127646553 Valve Cover Diaphragm for BMW \/ MINI N13, N16, N18\u003c\/h2\u003e\u003cp\u003eThis valve cover diaphragm is designed for BMW \/ MINI N13, N16 and N18 engine applications using OEM reference \u003cstrong\u003e11127646553\u003c\/strong\u003e. It replaces the failed PCV membrane in the valve cover crankcase ventilation system and helps restore correct pressure regulation.\u003c\/p\u003e\u003cp\u003eThe diaphragm is intended for targeted repair of the existing valve cover PCV area. It is not a complete valve cover assembly, complete crankcase ventilation valve, or full oil separator unit.\u003c\/p\u003e\u003ch2\u003eOEM \/ Reference Numbers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePrimary OEM number:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11127646553\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSecondary OEM \/ reference numbers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e11127646552\u003c\/li\u003e\n\u003cli\u003e11127603390\u003c\/li\u003e\n\u003cli\u003e11127601863\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct reference:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSKU: KL11127646553\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePart Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003evalve cover diaphragm\u003c\/li\u003e\n\u003cli\u003ePCV membrane\u003c\/li\u003e\n\u003cli\u003ecrankcase ventilation diaphragm\u003c\/li\u003e\n\u003cli\u003eengine breather membrane\u003c\/li\u003e\n\u003cli\u003eoil separator diaphragm\u003c\/li\u003e\n\u003cli\u003evalve cover PCV repair component\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Does\u003c\/h2\u003e\u003cp\u003eThe valve cover diaphragm regulates crankcase pressure and controls the flow of blow-by gases and oil vapor through the PCV system. When the original membrane becomes worn, hardened or torn, the ventilation system may lose proper pressure control.\u003c\/p\u003e\u003cp\u003eReplacing the failed diaphragm helps restore crankcase ventilation function, reduce oil vapor issues and support stable engine operation on compatible N13, N16 and N18 applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis valve cover diaphragm is listed for MINI vehicles with N13, N16 and N18 engine applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMINI Cabrio R57 — 2007-2015\u003c\/li\u003e\n\u003cli\u003eMINI Clubman R55 — 2007-2014\u003c\/li\u003e\n\u003cli\u003eMINI Countryman R60 — 2010-2016\u003c\/li\u003e\n\u003cli\u003eMINI Coupe R58 — 2011-2015\u003c\/li\u003e\n\u003cli\u003eMINI Paceman R61 — from 2012\u003c\/li\u003e\n\u003cli\u003eMINI R56 — 2005-2014\u003c\/li\u003e\n\u003cli\u003eMINI Roadster R59\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine \/ Engine Family\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW \/ MINI N13\u003c\/li\u003e\n\u003cli\u003eBMW \/ MINI N16\u003c\/li\u003e\n\u003cli\u003eBMW \/ MINI N18\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Symptoms of Failure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ewhistling noise from the valve cover or PCV area\u003c\/li\u003e\n\u003cli\u003erough or unstable idle\u003c\/li\u003e\n\u003cli\u003eincreased oil consumption\u003c\/li\u003e\n\u003cli\u003evalve cover leak symptoms related to PCV pressure imbalance\u003c\/li\u003e\n\u003cli\u003eoil separator or breather system malfunction symptoms\u003c\/li\u003e\n\u003cli\u003evacuum leak symptoms\u003c\/li\u003e\n\u003cli\u003eincorrect crankcase pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTargets the exact repair intent for \u003cstrong\u003e11127646553\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlso supports related OEM references 11127646552, 11127603390 and 11127601863\u003c\/li\u003e\n\u003cli\u003eReplaces the failed PCV diaphragm inside the existing valve cover\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to replacing the complete valve cover when only the membrane has failed\u003c\/li\u003e\n\u003cli\u003eHelps restore crankcase ventilation and pressure control\u003c\/li\u003e\n\u003cli\u003eSuitable for MINI N13, N16 and N18 valve cover diaphragm repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Before Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck that your original valve cover or PCV system matches \u003cstrong\u003e11127646553\u003c\/strong\u003e or one of the listed reference numbers.\u003c\/li\u003e\n\u003cli\u003eConfirm that your vehicle uses an N13, N16 or N18 engine.\u003c\/li\u003e\n\u003cli\u003eCompare the diaphragm shape and mounting design with the membrane installed in your original valve cover.\u003c\/li\u003e\n\u003cli\u003eThis product is a valve cover diaphragm \/ PCV membrane only, not a complete valve cover assembly.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility by OEM number, engine type and part design before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does 11127646553 fit?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003e11127646553 is listed for valve cover diaphragm repair on BMW \/ MINI N13, N16 and N18 engine applications, including MINI R55, R56, R57, R58, R59, R60 and R61 models shown in the compatibility list.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs 11127646552 the same type of part as 11127646553?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003e11127646552 is listed as a related OEM valve cover diaphragm reference for this application. The main SEO and repair focus remains OEM 11127646553.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does this valve cover diaphragm do?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eThe diaphragm regulates crankcase pressure and controls blow-by gas and oil vapor flow through the PCV system built into the valve cover.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat symptoms indicate PCV diaphragm failure on N13, N16 or N18 engines?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eCommon symptoms include whistling noise, rough idle, increased oil consumption, vacuum leak symptoms, oil separator malfunction symptoms and incorrect crankcase pressure.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs this a complete valve cover assembly?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eNo. This product is a valve cover diaphragm \/ PCV membrane only. It is not a complete valve cover assembly, complete PCV valve or full oil separator unit.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow do I confirm compatibility before ordering?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eConfirm OEM number 11127646553 or one of the listed related references, check that your engine is N13, N16 or N18, and compare the diaphragm design with the membrane installed in your original valve cover.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698728206650,"sku":"KL11127646553","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2750177472-membrana-klapannoj-kryshki.jpg?v=1754553326"},{"product_id":"membrane-pcv-mini-n12-and-peugeot-308-207-a7-0248-q5","title":"PCV Membrane – MINI N12 \/ Peugeot 308 207 1.6 | OEM 0248Q5 11127646554","description":"\u003ch1\u003ePCV Membrane — MINI N12 \/ Peugeot 308 \/ Peugeot 207 1.6 | OEM 0248Q5 \/ 11127646554\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eStop Oil Consumption and PCV Faults on Your MINI N12 or Peugeot 1.6 — Direct Replacement Membrane.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed PCV membrane on MINI N12 and Peugeot 308\/207 1.6 engines causes oil mist in the intake, oil consumption, and crankcase fault codes. Direct replacement for valve covers using OEM 0248Q5, 11127646554, 11127572724, 11127567791, 11127533799.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp\u003eMINI R56 (2005–2013) N12; Peugeot 308 (2007+) 1.6; Peugeot 207 A7 1.6\u003c\/p\u003e\n\u003ch2\u003eOEM References\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e0248Q5\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e11127646554 \/ 11127572724 \/ 11127567791 (cross-reference)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698731352378,"sku":"KL0248Q5","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/DSC03450.jpg?v=1775650576"},{"product_id":"valve-cover-repair-kit-1-6hdi-1-6d-1-6tdci-0248l1-1479837-31259241-30711484","title":"Valve Cover Repair Kit – 1.6 HDi \/ TDCi \/ DDiS \/ 1.6D | OEM 0248L1 1479837 11127804877","description":"\u003ch1\u003eValve Cover Repair Kit — 1.6 HDi \/ TDCi \/ DDiS \/ D4164T | Ford \/ Peugeot \/ Citroen \/ MINI \/ Mazda \/ Volvo \/ Suzuki | OEM 0248L1\u003c\/h1\u003e\n\n\u003ch3\u003e\u003cstrong\u003eComplete Valve Cover Repair Kit for 1.6 Diesel Engines — Diaphragm and All Gaskets Included.\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThis complete repair kit restores valve cover sealing and correct crankcase ventilation on 1.6 diesel engines across multiple platforms. Includes the 51mm diaphragm and all necessary gaskets for a full valve cover rebuild in one purchase.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e51mm valve cover diaphragm (OEM 0248L1 \/ 1479837 \/ 11127804877)\u003c\/li\u003e\n  \u003cli\u003eAll valve cover gaskets for a complete seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Diaphragm Numbers\u003c\/h2\u003e\n\u003cp\u003e0248L1, 1479837, 1690275, 3M5Q-6K271-AC, 993760, Y60110210B, Y60110210A, 31259241, 30711484, 11127804877\u003c\/p\u003e\n\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003cp\u003eFord Fiesta\/Focus\/C-Max 1.6 TDCi; Peugeot 207\/208\/308 1.6 HDi; Citroen C3\/C4\/DS3 1.6 HDi; MINI R56 1.6D; Mazda 3 BK 1.6D; Volvo C30\/S40\/V50 1.6D; Suzuki SX4 1.6 DDiS\u003c\/p\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698790007098,"sku":"KLREM0248L1","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2613937300-remkomplekt-klapannoj-kryshki.jpg?v=1754555080"},{"product_id":"valve-cover-diaphragm-mini-n14-1-6t-11127646555","title":"Valve Cover Diaphragm 77mm – MINI N14 1.6T | OEM 11127646555","description":"\u003ch1\u003eValve Cover Diaphragm 77mm — MINI N14 1.6T | OEM 11127646555\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eStop Oil Leaks and PCV Faults on Your MINI N14 1.6T — 77mm Direct Replacement Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed 77mm valve cover diaphragm on the MINI N14 1.6T engine causes oil leaks and crankcase fault codes. Direct replacement for valve covers using OEM 11127646555.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 77mm\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003eMINI R55 Clubman, R56 Hatch, R57 Convertible, R58 Coupe, R59 Roadster — with N14 1.6T engine\u003c\/p\u003e\n\u003ch2\u003eOEM Reference\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11127646555\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698798199098,"sku":"KL11127646555","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/3381131527-membrana-klapannoj-kryshki.jpg?v=1754555224"},{"product_id":"crankcase-ventilation-valve-for-bmw-n47n-n47s1-and-b47-11128589941","title":"Crankcase Ventilation Valve – BMW N47N \/ N47S1 \/ B47 Diesel | OEM 11128589941","description":"\u003ch2\u003e11128589941 Crankcase Ventilation Valve for BMW N47N, N47S1 and B47\u003c\/h2\u003e\u003cp\u003eThis crankcase ventilation valve is designed for BMW and MINI diesel applications using OEM reference \u003cstrong\u003e11128589941\u003c\/strong\u003e. It repairs the PCV \/ crankcase ventilation function in compatible N47N, N47S1 and B47 valve cover designs.\u003c\/p\u003e\u003cp\u003eThe part is intended for targeted crankcase ventilation repair. It is not a complete valve cover assembly.\u003c\/p\u003e\u003ch2\u003eOEM \/ Reference Numbers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePrimary OEM number:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003e11128589941\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSecondary valve cover reference numbers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e11127810584\u003c\/li\u003e\n\u003cli\u003e11128570828\u003c\/li\u003e\n\u003cli\u003e11128513755\u003c\/li\u003e\n\u003cli\u003e11128581798\u003c\/li\u003e\n\u003cli\u003e11128581797\u003c\/li\u003e\n\u003cli\u003e11128513754\u003c\/li\u003e\n\u003cli\u003e11128589943\u003c\/li\u003e\n\u003cli\u003e11128576293\u003c\/li\u003e\n\u003cli\u003e11127823180\u003c\/li\u003e\n\u003cli\u003e11128589942\u003c\/li\u003e\n\u003cli\u003e11128516511\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct reference:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSKU: KL11128589941\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePart Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ecrankcase ventilation valve\u003c\/li\u003e\n\u003cli\u003ePCV valve\u003c\/li\u003e\n\u003cli\u003evalve cover PCV repair component\u003c\/li\u003e\n\u003cli\u003eengine breather valve\u003c\/li\u003e\n\u003cli\u003ecrankcase pressure control valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Does\u003c\/h2\u003e\u003cp\u003eThe crankcase ventilation valve regulates pressure inside the crankcase and controls blow-by gas flow through the engine breather system. A failed valve can cause pressure imbalance, oil vapor issues, vacuum leak symptoms and unstable engine operation.\u003c\/p\u003e\u003cp\u003eReplacing the failed valve helps restore PCV system function while keeping the existing valve cover in service when it is otherwise usable.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis crankcase ventilation valve is listed for BMW and MINI applications with N47N, N47S1 and B47 diesel engines.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW N47N diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW N47S1 diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW B47 diesel applications\u003c\/li\u003e\n\u003cli\u003eMINI applications with compatible N47N \/ B47 engine configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine \/ Engine Family\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW N47N\u003c\/li\u003e\n\u003cli\u003eBMW N47S1\u003c\/li\u003e\n\u003cli\u003eBMW B47\u003c\/li\u003e\n\u003cli\u003eMINI diesel applications using compatible engine family configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Symptoms of Failure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eincorrect crankcase pressure\u003c\/li\u003e\n\u003cli\u003erough or unstable idle\u003c\/li\u003e\n\u003cli\u003eincreased oil consumption\u003c\/li\u003e\n\u003cli\u003eoil vapor issues in the intake system\u003c\/li\u003e\n\u003cli\u003evacuum leak symptoms\u003c\/li\u003e\n\u003cli\u003ewhistling or suction noise from the valve cover area\u003c\/li\u003e\n\u003cli\u003echeck engine light related to air or pressure control faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTargets the exact repair intent for \u003cstrong\u003e11128589941\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupports multiple related BMW \/ MINI valve cover reference numbers\u003c\/li\u003e\n\u003cli\u003eRepairs the crankcase ventilation valve area in the existing valve cover\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to replacing the complete valve cover when only the PCV valve has failed\u003c\/li\u003e\n\u003cli\u003eHelps restore crankcase pressure regulation and breather system function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Before Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck that your original valve cover or PCV system matches \u003cstrong\u003e11128589941\u003c\/strong\u003e or one of the listed reference numbers.\u003c\/li\u003e\n\u003cli\u003eConfirm that your vehicle uses a compatible N47N, N47S1 or B47 diesel engine.\u003c\/li\u003e\n\u003cli\u003eCompare the valve design with the PCV component installed in your original valve cover.\u003c\/li\u003e\n\u003cli\u003eThis product is a crankcase ventilation valve \/ PCV repair component, not a complete valve cover assembly.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility by OEM number, engine type and part design before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does BMW 11128589941 fit?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eBMW 11128589941 is listed for crankcase ventilation valve repair on BMW and MINI N47N, N47S1 and B47 diesel applications using compatible valve cover designs.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs 11128570828 related to 11128589941?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003e11128570828 is listed as a related valve cover reference number for this application. The main repair focus remains OEM 11128589941.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does this crankcase ventilation valve do?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eThe valve regulates crankcase pressure and controls blow-by gas flow through the PCV \/ engine breather system.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat symptoms indicate crankcase ventilation valve failure?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eCommon symptoms include incorrect crankcase pressure, rough idle, increased oil consumption, oil vapor issues, vacuum leak symptoms and whistling noise.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs this a complete valve cover assembly?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eNo. This product is a crankcase ventilation valve \/ PCV repair component. It is not a complete valve cover assembly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow do I confirm compatibility before ordering?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eConfirm OEM number 11128589941 or one of the listed related references, check the engine type, and compare the valve design with the original PCV component.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698818974010,"sku":"KL11128589941","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2749974161-klapan-ventilyatsii-karternyh.jpg?v=1754555688"},{"product_id":"valve-cover-diaphragm-bmw-b57-b57s-11128571308-and-b37-11128511342","title":"Valve Cover Diaphragm – BMW B57 \/ B57S \/ B37 Diesel | OEM 11128571308 11128511342","description":"\u003ch2\u003e11128571308 \/ 11128511342 Valve Cover Diaphragm for BMW B57, B57S, B37\u003c\/h2\u003e\u003cp\u003eThis valve cover diaphragm is designed for BMW B57, B57S and B37 engine applications using OEM references \u003cstrong\u003e11128571308\u003c\/strong\u003e and \u003cstrong\u003e11128511342\u003c\/strong\u003e. It replaces the failed PCV membrane in the valve cover crankcase ventilation system.\u003c\/p\u003e\u003cp\u003eThis product is the diaphragm only. It is not a complete valve cover assembly or full crankcase ventilation valve.\u003c\/p\u003e\u003ch2\u003eOEM \/ Reference Numbers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePrimary OEM \/ valve cover reference numbers:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e11128571308\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e11128511342\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSecondary OEM \/ reference numbers:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e11128575408\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eProduct reference:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSKU: KL11128571308\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePart Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003evalve cover diaphragm\u003c\/li\u003e\n\u003cli\u003ePCV membrane\u003c\/li\u003e\n\u003cli\u003ecrankcase ventilation diaphragm\u003c\/li\u003e\n\u003cli\u003eengine breather membrane\u003c\/li\u003e\n\u003cli\u003eoil separator membrane\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Does\u003c\/h2\u003e\u003cp\u003eThe valve cover diaphragm regulates crankcase pressure and controls blow-by gas flow through the PCV system. When the diaphragm fails, pressure control can become unstable and ventilation-related symptoms may appear.\u003c\/p\u003e\u003cp\u003eReplacing the failed diaphragm helps restore the function of the existing valve cover PCV system while avoiding replacement of the complete valve cover.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis valve cover diaphragm is listed for BMW and MINI applications using compatible B57, B57S and B37 engine configurations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW B57 diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW B57S diesel applications\u003c\/li\u003e\n\u003cli\u003eBMW B37 diesel applications\u003c\/li\u003e\n\u003cli\u003eMINI B37 diesel applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine \/ Engine Family \/ Technical Detail\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW B57\u003c\/li\u003e\n\u003cli\u003eBMW B57S\u003c\/li\u003e\n\u003cli\u003eBMW B37\u003c\/li\u003e\n\u003cli\u003eMINI B37\u003c\/li\u003e\n\u003cli\u003eMembrane diameter: 51 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Symptoms of Failure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eincorrect crankcase pressure\u003c\/li\u003e\n\u003cli\u003erough or unstable idle\u003c\/li\u003e\n\u003cli\u003eincreased oil consumption\u003c\/li\u003e\n\u003cli\u003eoil vapor issues in the intake system\u003c\/li\u003e\n\u003cli\u003ewhistling or suction noise from the valve cover area\u003c\/li\u003e\n\u003cli\u003evacuum leak symptoms\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Replacement\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTargets exact repair intent for \u003cstrong\u003e11128571308\u003c\/strong\u003e and \u003cstrong\u003e11128511342\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupports related reference 11128575408\u003c\/li\u003e\n\u003cli\u003eReplaces the failed 51 mm valve cover PCV diaphragm\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to replacing the complete valve cover when only the membrane has failed\u003c\/li\u003e\n\u003cli\u003eHelps restore crankcase ventilation and pressure control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant Before Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck that your original valve cover reference matches \u003cstrong\u003e11128571308\u003c\/strong\u003e, \u003cstrong\u003e11128511342\u003c\/strong\u003e or a listed related number.\u003c\/li\u003e\n\u003cli\u003eConfirm that your vehicle uses a compatible B57, B57S or B37 engine.\u003c\/li\u003e\n\u003cli\u003eCompare the 51 mm diaphragm design with the membrane installed in your original valve cover.\u003c\/li\u003e\n\u003cli\u003eThis product is a valve cover diaphragm only, not a complete valve cover assembly.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility by OEM number, engine type and part design before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat do BMW 11128571308 and 11128511342 fit?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eBMW 11128571308 and 11128511342 are listed for valve cover diaphragm repair on compatible BMW B57, B57S and B37 applications. The product page also references MINI B37 applications.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs 11128575408 related to 11128571308?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eYes. 11128575408 is listed as a related reference for this valve cover diaphragm application. The main repair focus remains 11128571308 and 11128511342.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat does this valve cover diaphragm do?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eThe diaphragm regulates crankcase pressure and controls blow-by gas flow through the valve cover PCV system.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eWhat symptoms indicate PCV diaphragm failure on B57 or B37 engines?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eCommon symptoms include incorrect crankcase pressure, rough idle, increased oil consumption, oil vapor issues, whistling noise and vacuum leak symptoms.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eIs this a complete valve cover assembly?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eNo. This product is the valve cover diaphragm \/ PCV membrane only. It is not a complete valve cover assembly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch3 itemprop=\"name\"\u003eHow do I confirm compatibility before ordering?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eConfirm OEM reference 11128571308 or 11128511342, check the engine family, and compare the 51 mm diaphragm with your original valve cover membrane.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698826936634,"sku":"KL11128571308","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2828651226-membrana-klapannoj-kryshki.jpg?v=1754555939"},{"product_id":"valve-cover-diaphragm-1-6hdi-1-6d-1-6tdci-0248l1-1479837-31259241-30711484","title":"Valve Cover Diaphragm 51mm – 1.6 HDi \/ 1.6D \/ 1.6 TDCi | OEM 0248L1 1479837 31259241 30711484","description":"\u003ch1\u003eValve Cover Diaphragm 51mm — 1.6 HDi \/ 1.6D \/ 1.6 TDCi | OEM 0248L1 \/ 1479837 \/ 31259241 \/ 30711484\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eStop Crankcase Oil Leaks on Your 1.6 Diesel — D=51mm Direct Replacement Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed 51mm valve cover diaphragm causes oil leaks and crankcase fault codes across Citroen, Peugeot, Ford, Volvo, MINI, Mazda, and Suzuki 1.6 diesel platforms. Direct replacement for valve covers using OEM 0248L1, 1479837, 1690275, 31259241, 30711484, 3M5Q-6K271-AC, Y60110210B, and others.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 51mm (D=51mm)\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2\u003eOEM References\u003c\/h2\u003e\u003cp\u003e0248L1, 1479837, 1690275, 31259241, 30711484, 3M5Q-6K271-AC, Y60110210B, Y60110210A, 993760, 11127804877\u003c\/p\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698846302522,"sku":"KLREM0248L11","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/2951594700-membrana-klapannoj-kryshki.jpg?v=1754556238"},{"product_id":"valve-cover-diaphragm-peugeot-citroen-1-6-thp-and-mini-1-6-n14-n18","title":"Valve Cover Diaphragm – Peugeot \/ Citroen 1.6 THP \/ MINI 1.6 N14 N18 | OEM 0248Q2 V759886280 11127646555","description":"\u003ch1\u003eValve Cover Diaphragm — Peugeot \/ Citroen 1.6 THP \/ MINI 1.6 N14 \/ N18 | OEM 0248Q2 \/ V759886280 \/ 11127646555\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eStop Oil Leaks on Your Peugeot 1.6 THP or MINI 1.6 N14\/N18 — Direct Replacement Diaphragm.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA failed valve cover diaphragm on the Peugeot\/Citroen 1.6 THP and MINI 1.6 N14\/N18 engines causes oil leaks and crankcase fault codes. Direct replacement for a wide range of valve covers using OEM 0248Q2, V759886280, 11127646555, and equivalents.\u003c\/p\u003e\n\u003ch2\u003eCompatible Valve Covers\u003c\/h2\u003e\u003cp\u003e0248Q2, 0248G2, V759886280, V763174380, 11127646555, 11127585907, 11127572854, 11127561714, 11127534714, 11127603390, and others\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003ePeugeot 207\/208\/308\/3008\/RCZ 1.6 THP; Citroen C4\/DS3 1.6 THP; MINI R55\/R56\/R57\/R58\/R59\/R60 1.6 N14 and N18\u003c\/p\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":51698892341562,"sku":"KLV759886280","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/3221771752-membrana-klapannoj-kryshki.jpg?v=1754557036"}],"url":"https:\/\/klifex.net\/collections\/mini-cooper-pcv-system-repair-kits.oembed","provider":"Klifex – Automotive Repair Kits","version":"1.0","type":"link"}