Crankcase Ventilation PCV Valve — BMW N52 / N52N / N52K / N51 | OEM 11127552281
Stop Oil Mist Leaks and Fix Idle Issues on Your BMW N52 — Direct OEM PCV Valve.
A failed crankcase ventilation valve on BMW N52/N52N/N52K/N51 engines causes oil mist to enter the intake system, rough idle, increased oil consumption, and PCV-related fault codes. This is the direct OEM replacement valve — restoring correct crankcase pressure regulation.
Why Replace the PCV Valve
- Stops Oil Consumption: A failed valve lets oil mist into the intake — direct replacement stops it at the source.
- Fixes Rough Idle: Correct crankcase pressure restores smooth idle and eliminates hunting or surging.
- Clears Fault Codes: PCV-related codes clear after valve replacement.
Vehicle Compatibility
BMW models with N52, N52N, N52K, and N51 petrol engines — including 1 Series E81/E82/E87/E88, 3 Series E90–E93, 5 Series E60/E61, X1 E84, X3 E83, Z4 E85/E86/E89
OEM Reference
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