Bmw 335i N54 Pcv Valve. These are the following issues you will encounter if your bmw s pcv valve fails. The n54 pcv valve is an upgraded replacement pcv valve for your n54 bmw engine and is strongly recommended for your high performance or higher mileage n54.
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We see crankcase vent issues on even stock engines but with more boost the problems are exponential. This is also apparently a big contributor to the carbon build on the inlet valves which rob power reduce throttle response and effect fuel economy. The n54 pcv valve is an upgraded replacement pcv valve for your n54 bmw engine and is strongly recommended for your high performance or higher mileage n54.
The oem bmw plastic pcv valve does not hold pressure well even when brand new.
If your bmw s pcv valve fails then there will be severe issues for your car. The oem plastic pcv valve does not hold pressure well even when brand new. The pcv valve of your bmw plays an important role in the combustion process of the car. What the leaky pcv valve means is that when you are in boosted conditions the highly pressurized pcv valve.
