BMW E46 M3 CSL racecar – Pure M-Power sounds Acceleration & Sound Drag & Track by turboandstance - June 3, 2018June 3, 2018 The BMW M3 CSL (Coupe Sport Leichtbau) (Coupe Sport Lightweight) is a limited edition version of the M3, with only 1,400 cars being produced for its 2004 model year run. The CSL was never released into the North American market, and was only available in two colours – Silver Grey Metallic and