Valve Cover Diaphragm 77mm – MINI N14 1.6T | OEM 11127646555
A 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. MINI R55 Clubman, R56 Hatch, R57 Convertible, R58 Coupe, R59 Roadster — with N14 1.6T engine
Fits OEM #11127646555.
When to Inspect This Part
- mixture faults or an intake air leak
- rough or unstable idle
- increased oil consumption
- whistling or excessive crankcase vacuum
What's Included
- 1 × Valve Cover Diaphragm 77mm
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- MINI Cabrio R57
- MINI Cabrio R57 LCI
- MINI Clubman R55
- MINI Clubman R55 LCI
- MINI Coupé R58
- MINI R56
- MINI R56 LCI
- MINI Roadster R59
Part Number / PN
11127646555, 11127585907, 11127572854, 11127561714, 11127534714
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 11127646555 is the primary fitment check.
FAQ
How do I confirm fitment for this Valve Cover Diaphragm 77mm?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 11127646555. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Valve Cover Diaphragm 77mm?
Confirmed symptoms include mixture faults or an intake air leak, rough or unstable idle, increased oil consumption, whistling or excessive crankcase vacuum. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Valve Cover Diaphragm 77mm?
The confirmed kit contents are: 1 × Valve Cover Diaphragm 77mm.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings