Crankcase Ventilation PCV Valve — BMW N46N / N46K / N46T | OEM 11127555212
Stop Oil Leaks and Rough Idle on Your BMW N46 — Direct OEM PCV Valve Replacement.
A failed crankcase ventilation valve on BMW N46N, N46K, and N46T engines causes oil mist in the intake, rough idle, oil consumption, and PCV fault codes. This direct OEM replacement valve restores correct crankcase pressure regulation and eliminates these symptoms.
Why Replace the PCV Valve
- Stops Oil Consumption: Restores the membrane seal that prevents oil mist from entering the intake.
- Fixes Rough Idle: Correct crankcase pressure eliminates idle instability.
- Clears PCV Fault Codes: Direct replacement resolves related codes.
Vehicle Compatibility
BMW 1 Series E81/E82/E87/E88, 3 Series E46/E90/E91/E92/E93, 5 Series E60/E61, X1 E84, X3 E83, Z4 E85/E86 — with N46N, N46K, or N46T engines
OEM Reference
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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
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