Nothing much other than optical and aural masturbation, here’s a video of an E46 BMW M3 with a bolt on supercharger. In stock form, the BMW M3 is powered by a 3.2 litre normally aspirated inline-6 engine with the code S54B32. The S54B32 is a high performance derivative of the M54 straight-six engine with 6 individual throttle bodies, making 342 horsepower at 7,900rpm and 355Nm of torque at 4,900rpm. Just after peak horsepower, the engine reaches it’s redline at 8,000rpm. While the new E90 BMW M3 will feature a V8 based on the current M5’s V10, the E46 M3’s straight six is still used in the current BMW Z4 M Roadster and Z4 M Coupe.
Video: Supercharged E46 BMW M3