Active Autowerke BMW E36 M3 Supercharger Kit Level 1 (Rotrex C38 Blower)Active Autowerke BMW M3 Supercharger Kit Level 1 Rotrex No one buys an M3 because they like limits. Here at Active Autowerke, we know that well. We also know that E36 M3 drivers want access to the same blower that powers our proven 500 HP supercharger system for the E46 M3. Now they have it and the amazing 150% power kick that comes along for the ride. This carefully engineered BMW M3 Supercharger kit matches the Rotrex C38 supercharger with the