What is the E46 M3 CSL?
The E46 M3 CSL is a special variation of the standard E46 M3 coupe that features numerous lightweight components, as well as a myriad of drivetrain, chassis and cosmetic enhancements. The “CSL” moniker denotes “Coupe Sport Lightweight” and was first used on the 3.0 CSL homologation special in 1971. A total of 1,358 E46 M3 CSLs were produced to European specification between June and December of 2003 in both left-hand drive (823 built) and right-hand drive (535 built) configuration. (This figure excludes an additional series of at least a dozen pre-production M3 CSL prototypes built between September of 2002 and February of 2003. The E46 M3 CSL is most notably distinguished from the standard E46 M3 by its various lightweight components. The largest of these is the carbon fiber-reinforced plastic (GFP) roof panel, which weighs over 13 pounds less than its conventional steel counterpart. The front bumper support is also constructed of GFP, as is the uniquely-shaped front airdam with its s