ZF S5-31 (320d, 330i, 330Ci, 325xi) 6-speed ZF S6-37 (325ti, 330i, 330Ci, 320d, 320Cd) 6-speed ZF S6-53 (330d, 330 Cd) 6-speed Getrag 420G (M3) Automatic transmissions 4-speed GM 4L30-E (A4S270R) 5-speed GM 5L40-E (A5S360R) 5-speed GM 5L40-E (A5S390R) 5-speed ZF 5HP19 (A5S325Z) 5-speed GM 5L50-E (A5S390R) 6-speed SMG-II 6-speed Non-M SMG-I M3 The E46 M3, first introduced in October 2000, was available with the 3.2-litre S54 M-tuned engine. It was available in coupé and convertible body styles. The M3's S54 engine has a redline of 8,000 rpm. As with most M engines, the S54 has 6 individual throttle bodies, in this case electronically operated (drive-by-wire throttle). The transmission options for the M3 were a 6-speed manual or the 6-speed "SMG-II" automated manual transmission. M3 GTR road car In order for the M3 GTR race car to compete in the American Le Mans Series, BMW produced 10 examples of the "M3 GTR Straßen Version" (street version) in 2001. As per the race M3 GTR, the roadgoing Version was powered by the BMW P60B40 4.0 L V8 engine which was slightly detuned and generated a maximum power output of at 7,000 rpm. Power was delivered to the rear wheels via a race type 6-speed dual clutch sequential transmission with M locking differential. The engine featured dry sump lubrication as its racing counterpart and bigger radiators. The stiffer chassis and suspension system were a carryover from the race version. The car was lowered further than a standard M3 and featured additional strut braces between the firewall and strut towers as well as between the right shock towers. The redesigned front and rear fascias and the rear wing optimised aerodynamics. The roof, the hood, the rear wing and front and rear fascias were made from carbon-fibre in order to reduce weight. Notable changes made to the interior included leather Recaro bucket seats, removal of rear seats and special M3 GTR sill plates. M3 CSL, CSL stands for " Coupe Sport Leichtbau " means Coupe Sport Lightweight and the spec is to do the weight reduction such as the original roof, door panel, center console were replaced with the carbon fiber. Alpina models The Alpina "B3 3.3" and "B3 S" were based on the E46 and were powered by inline-six petrol engines. Special models Performance package (ZHP) The Performance Package was an option sold in North America, which is commonly referred to by its order