N54 Replacement PCV Valve for BMW 2006-2016 135i, 335i, 535i, 740i, X6, Z4 Choose one:RB PCV It stands out due to

It stands out due to its versatile tuning capabilities and robust feature set designed to cater to both everyday drivers and performance enthusiasts

• Reads and deletes fault codes

75" exhaust tips are the perfect choice for dressing up your factory M exhaust outlets

the system boosts oxygen supply

Select the option above to add pre-assembled connections to fit Continental Flex Fuel Sensor

N54 Replacement PCV Valve for BMW 2006-2016 135i, 335i, 535i, 740i, X6, Z4 Choose one:RB PCV It stands out due toThe 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