Replacement Belt For Active Autowerke E46 M3 Rotrex C38-921 Prima SC Kit S63 MS43 E46 325/330

MS43 E46 325/330

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

Vehicles with larger cooling systems should use two bottles

Areas addressed include fuel

eliminating most "Check Engine Lights" due to cat efficiency errors

Replacement Belt For Active Autowerke E46 M3 Rotrex C38-921 Prima SC Kit S63 MS43 E46 325/330This 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.