N54 Replacement PCV Valve for BMW 2006-2016 135i, 335i, 535i, 740i, X6, Z4 Choose one:RB PCV This is done from under

This is done from under the rear of the car

paddle shifters

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New genuine OEM fuel pump bucket assembly

5 PSI industry standard)

N54 Replacement PCV Valve for BMW 2006-2016 135i, 335i, 535i, 740i, X6, Z4 Choose one:RB PCV This is done from underThe 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. What the leaky PCV valve means is that when you are in boosted conditions, the "highly" pressurized PCV valve leaks turbocharged pressures into the crankcase. Depending on the condition of your PCV valve it could leak