Kies Motorsports Charge Pipe & Boost Pipe, BMW F1X N20 201-4303 specifically for the N55B30 and

specifically for the N55B30 and S55B30 turbocharged inline-six engines

Torque: 30-40% gain over stock depending on fuel quality and pulley used

Nitrous Control

mid-sized engine control unit offering advanced tuning capabilities for high-performance applications

F06/F12/F13 640i (RWD and xDrive)

Kies Motorsports Charge Pipe & Boost Pipe, BMW F1X N20 201-4303 specifically for the N55B30 and*NOTE: 7. 5in aftermarket Front Mount Intercoolers may have issues mounting* The charge pipe and boost pipe are the pipes that hold pressurized air from your turbo and take it to your engine. Unfortunately, BMW typically makes OEM charge pipes out of plastic or rubber, which is a terrible idea for holding pressurized air. While this is a very cost effective thing for a manufacturer to do, they typically fail when the plastic starts to age, especially