AA SC replacement Belt - E36 325i, M3 with HKS 7040 KIT x1 50" diameter piping allows for

50" diameter piping allows for maximum power output

See here how our kit stacks up to the competition

If you remove the DME from the E-BOX within the engine bay of your M3

with the filter's stainless steel mesh

year-2020-make-bmw-model-x4m

AA SC replacement Belt - E36 325i, M3 with HKS 7040 KIT x1 50" diameter piping allows forBMW E36 M3 with HKS 7040 SC running 90mm pulley This is a replacement belt for the Active Autowerke E36 325i and M3 supercharger kit with a HKS 7040 blower. 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.