Replacement Belt For Active Autowerke E46 M3 Rotrex C38-921 Prima SC Kit S63 Our DSB can easily be

Our DSB can easily be installed by a qualified tech in under an hour and will eliminate this BMW Achilles Heel problem forever

The applications currently supported include:

Minimizing back pressure while remaining daily drive-ability was the goal of our N20 downpipe

Active Autowerke has created a full exhaust system for the X3M/X4M which comprises this rear axle-back valved exhaust

This is a replacement belt for the Active Autowerke E36 325i and M3 supercharger kit with a HKS 7040 blower

Replacement Belt For Active Autowerke E46 M3 Rotrex C38-921 Prima SC Kit S63 Our DSB can easily beThis is a 6PKx2237 Replacement Belt for the Active Autowerke E46 M3 Prima Supercharger Kit with a Rotrex C38 92 blower. These Premium V Ribbed Belts are designed with aramid fiber loaded stock to provide the longest possible service life with the lowest possible noise characteristics.