Cobb Tuning Charge Pipe - BMW 135i/1 Series M/335i (N54) Gauge ✓ Compatible with aftermarket top

✓ Compatible with aftermarket top feed fuel injectors

this cap prevents the crankcase from pressurising by venting filtered air to atmosphere

Nissan Skyline GT-T R34 (RB25DET Neo)

Audi A5 8T

Cobb Tuning Charge Pipe - BMW 135i/1 Series M/335i (N54) Gauge ✓ Compatible with aftermarket topThe COBB BMW N54 Charge Pipe both increases flow and improves the reliability of your twin turbo BMW. The 3" mandrel bent aluminum pipe replaces the brittle factory plastic pipe which can fail under increased boost pressure. The increased piping size helps to reduce turbulence and maximize flow into the engine. Note: You may need to source a new O Ring (P N 13717568031) and possibly a new C Clip if yours are missing or damaged as they are not included