Active Autowerke E46 328 Supercharger Kit Level 1 x4m This variant includes a 4"

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

E9x 135/335/535 N54

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

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

Whenever you alter the crankshaft main pulley size

Active Autowerke E46 328 Supercharger Kit Level 1 x4m This variant includes a 4"***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