BMW announced the M3 GTS in November 2009 and began production in 2010. The GTS was designed as a "road-legal clubsport-oriented model" and produced only in the coupé body style. Changes over the regular M3 include an upgraded engine, reduced curb weight, revised suspension, upgraded brakes and adjustable aerodynamics.

The GTS uses an engine enlarged to 4.4 L (269 cu in) which has a power output of 331 kW (444 hp). The sole transmission option was the 7-speed dual-clutch transmission (M-DCT) and the official 0–100 km/h (0–62 mph) acceleration time for the GTS is 4.4 seconds.

The car weighs 136 kg (300 lb) less than the regular M3, due to a lighter centre console and door panels, polycarbonate side and rear windows, a lack of rear seats and the removal of acoustic insulation.

Suspension changes include adjustable camber angle and ride height, a rigidly mounted rear axle and revised dampers. The front brakes were upgraded to 6-piston callipers with 18 mm (0.7 in) larger discs, and the rear brakes were upgraded to 4-piston callipers with 18 mm (0.7 in) larger discs. Aerodynamics are adjustable via the front apron and the angle of the rear wing. Production was limited to 135...