Since getting their start in 1981, Active Autowerke has earned a well-respected reputation in the BMW community for engineering high-quality power solutions for popular BMW models. This supercharger kit will produce 320 horsepower and 260 ft.lbs. of torque on your BMW, while retaining platform integrity and daily driveability. Unique to the design of the Rotrex supercharger is the traction drive system, which eliminates the lag often found in other centrifugal supercharger setups. Power delivery is smooth and dependable, and 100% reversible to stock if you so choose, since each system is designed as a self-contained unit.

Kit features:

• Rotrex C38-81 trim supercharger running 8 PSI of boost
• Supercharger bracket, pulleys, & belt
• Self-contained oiling system with front mount oil cooler
• Active Autowerke/Bosch bypass valve
• 6 high-flow fuel injectors
• Active Autowerke air filter
• Active Autowerke dyno-tuned software
• All mounting hardware, plumbing, silicone hoses, & clamps
• Illustrated instruction manual & installation guide
• 2 year warranty with free tech support

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.