Kies Motorsports Charge Pipe & Boost Pipe, BMW F1X N20 201-4303 Reverse polarity protection Yes

Reverse polarity protection Yes

These engines have gained legendary status

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

unlike OEM rods

Kies Motorsports Charge Pipe & Boost Pipe, BMW F1X N20 201-4303 Reverse polarity protection Yes*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