Active Autowerke E46 328 Supercharger Kit Level 1 x4m This system provides the maximum

This system provides the maximum flow available and restores the sports car growl expected from a BMW M-Series car

This performance upgrade is easy to install and can be fully reversible if the need arises

E9x 135/335/535 N54

These premium V-ribbed belts are designed with aramid fiber loaded stock to provide the longest possible service life with the lowest possibel noise characteristics

This variant includes a 4" high flow GESI catalytic converter that will NOT produce a CEL

Active Autowerke E46 328 Supercharger Kit Level 1 x4m This system provides the maximum***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to info@activeautowerke. com and you can fax it to us at (305) 253 8921*** Active Autowerke's 328i supercharger kit provides a much needed boost in horsepower to your E46 328. Specifically designed to run with 91 93 octane pump fuel and your factory ECU, this