{"product_id":"bmw-n51-n52-n53-pcv-diaphragm-repair-kit-metal-cap-11127552281","title":"PCV Diaphragm Repair Kit with Aluminum Cap – BMW N52 \/ N52K \/ N53 \/ N52N \/ N52T \/ N51 | OEM 11127552281","description":"\u003ch2\u003e11127552281 PCV Diaphragm Repair Kit for BMW N51, N52, N53\u003c\/h2\u003e\u003cp\u003eThis PCV diaphragm repair kit is designed for BMW N51, N52 and N53 engines using OEM reference \u003cstrong\u003e11127552281\u003c\/strong\u003e. The kit includes a replacement PCV membrane and metal cap for repairing the crankcase ventilation system built into the valve cover.\u003c\/p\u003e\u003cp\u003eIt is intended for targeted repair of the existing valve cover PCV area. This product is not a complete valve cover assembly and should not be used as a replacement for the full cover.\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\u003e11127552281\u003c\/strong\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eSecondary OEM \/ reference numbers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e11127548196\u003c\/li\u003e\n\u003cli\u003e11 12 7 552 281\u003c\/li\u003e\n\u003cli\u003e11 12 7 548 196\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct reference:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSKU: KL11127552281\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003ePart Type\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePCV diaphragm repair kit\u003c\/li\u003e\n\u003cli\u003ePCV membrane and metal cap kit\u003c\/li\u003e\n\u003cli\u003evalve cover diaphragm repair kit\u003c\/li\u003e\n\u003cli\u003ecrankcase ventilation repair kit\u003c\/li\u003e\n\u003cli\u003eengine breather membrane repair kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Does\u003c\/h2\u003e\u003cp\u003eThe PCV diaphragm regulates crankcase pressure and controls the flow of blow-by gases through the engine ventilation system. When the original membrane fails, the valve cover PCV system can lose correct pressure control and cause unstable engine operation.\u003c\/p\u003e\u003cp\u003eReplacing the failed membrane and cap helps restore crankcase ventilation function while keeping the original valve cover in service.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis PCV diaphragm repair kit is listed for BMW vehicles with N51, N52 and N53 engine applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW 1 Series\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series\u003c\/li\u003e\n\u003cli\u003eBMW 5 Series\u003c\/li\u003e\n\u003cli\u003eBMW 6 Series\u003c\/li\u003e\n\u003cli\u003eBMW 7 Series\u003c\/li\u003e\n\u003cli\u003eBMW X1\u003c\/li\u003e\n\u003cli\u003eBMW X3\u003c\/li\u003e\n\u003cli\u003eBMW X5\u003c\/li\u003e\n\u003cli\u003eBMW Z4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine \/ Engine Family\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBMW N51\u003c\/li\u003e\n\u003cli\u003eBMW N52\u003c\/li\u003e\n\u003cli\u003eBMW N53\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Symptoms of Failure\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003erough idle\u003c\/li\u003e\n\u003cli\u003ewhistling noise from the valve cover area\u003c\/li\u003e\n\u003cli\u003evacuum leak symptoms\u003c\/li\u003e\n\u003cli\u003eincreased oil consumption\u003c\/li\u003e\n\u003cli\u003eunstable crankcase pressure\u003c\/li\u003e\n\u003cli\u003echeck engine light related to air mixture issues\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\u003e11127552281\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes the PCV membrane and metal cap\u003c\/li\u003e\n\u003cli\u003eRepairs the existing valve cover PCV system\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 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 or PCV system matches \u003cstrong\u003e11127552281\u003c\/strong\u003e or one of the listed reference numbers.\u003c\/li\u003e\n\u003cli\u003eConfirm that your vehicle uses a BMW N51, N52 or N53 engine.\u003c\/li\u003e\n\u003cli\u003eCompare the membrane and cap design with the PCV area of your original valve cover.\u003c\/li\u003e\n\u003cli\u003eThis is a repair kit, 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 11127552281 fit?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eBMW 11127552281 is listed for PCV diaphragm repair on BMW N51, N52 and N53 engine applications, including selected BMW 1, 3, 5, 6, 7 Series, X1, X3, X5 and Z4 models.\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 11127548196 related to 11127552281?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eYes. 11127548196 is listed as a related reference number for this PCV diaphragm repair application. The main repair focus remains OEM 11127552281.\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 PCV diaphragm repair kit do?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eIt replaces the failed PCV membrane and cap in the valve cover crankcase ventilation system, helping restore correct crankcase pressure regulation.\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?\u003c\/h3\u003e\n\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\u003cp itemprop=\"text\"\u003eCommon symptoms include rough idle, whistling noise, vacuum leak symptoms, increased oil consumption, unstable crankcase pressure and check engine light related to mixture issues.\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 diaphragm repair kit with membrane and metal cap. 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 11127552281 or a listed reference number, check the engine type, and compare the repair kit design with the PCV 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":51698947096890,"sku":"KL111275522813","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/remkomplekt-klapannoy-kryshki-bmw-n52-n52k-n53-n52n-n52t-n51-1.jpg?v=1754558162","url":"https:\/\/klifex.net\/products\/bmw-n51-n52-n53-pcv-diaphragm-repair-kit-metal-cap-11127552281","provider":"Klifex – Automotive Repair Kits","version":"1.0","type":"link"}