AA SC Replacement Belt - E9X C38-92 GEN 8/9 Level 1 E9X Increased horsepower and torque potential

Increased horsepower and torque potential – More efficient exhaust flow supports higher power levels

Multiple maps included at minimal cost

The Active Autowerke SIMON 4 replaces our SIMON 3 Programmer and G5 Programmer

Every effort was made in addressing the overly quiet sound of the stock OEM exhaust while designing an exhaust worthy for an "M" car

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AA SC Replacement Belt - E9X C38-92 GEN 8/9 Level 1 E9X Increased horsepower and torque potentialBMW E9X C38 92 Level 1 Replacement Belt This is Replacement Belt for the Active Autowerke E9X level 1 supercharger kits. 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. year 2007,year 2007 make bmw,year 2007 make bmw model m3,year 2008,year 2008 make bmw,year 2008 make bmw model m3,year 2009,year 2009 make bmw,year 2009 make bmw model