Valve Cover Diaphragm — BMW B58 | OEM 11127645173
Stop Oil Leaks and PCV Faults on Your BMW B58 — Direct Replacement Valve Cover Diaphragm.
A failed valve cover diaphragm on the BMW B58 engine causes oil leaks, oil consumption, and crankcase fault codes. This direct replacement diaphragm restores correct crankcase ventilation and valve cover sealing.
Vehicle Compatibility
BMW models with B58 engine — 340i, 440i, 540i, 640i, 740i, M140i, M240i, X3 40i, X5 40i, X6 40i, and other B58-powered models
OEM Reference
- 11127645173
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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
