BMW N54 Replacement PCV Valve for 1M, 135i, 335i, 535i, 740i, X6, Z4 X6 (E71) Upgraded AN6 fuel supply line

Upgraded AN6 fuel supply line

• Anodized Black Aluminum

and B8 Q5 models

These are built to be adjustable

providing confidence and support for your build

BMW N54 Replacement PCV Valve for 1M, 135i, 335i, 535i, 740i, X6, Z4 X6 (E71) Upgraded AN6 fuel supply lineThe RB N54 PCV Valve is an upgraded replacement PCV valve for your N54 Engine and is strongly recommended for your high performance (or higher mileage) N54. The OEM 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. Pending on the condition of your PCV valve it could leak worse