The coupé models were unveiled in September 2013 at the Frankfurt Motor Show.

[33][34] The 435i Gran Coupé is approximately 91 kg (200 lb) heavier than the equivalent F30 335i sedan.

[35] Available equipment includes a head-up display, 8-speed automatic transmission and LED headlights.

[36] Optional "BMW M Performance Parts" were unveiled at the 2013 Frankfurt Motor Show.

[44][45] The gearbox is either a 6-speed manual (with throttle blip on downshifts) or a 7-speed dual clutch transmission (M-DCT).

[46] The M4 also features an electronically controlled limited-slip differential, electric steering,[43] additional bolted joints between the axle subframe and the body sills, aluminium stiffening plate and a five-link rear suspension constructed from aluminium.

[43][47][48] Unusually, the suspension subframes are directly connected to the chassis without rubber bushings.

[49] The concept version of the M4 Coupé was unveiled at the Pebble Beach Concours d'Elegance on 15 August 2013,[50][51] followed production version being unveiled at the 2014 North American International Auto Show on 13 January 2014.

[52] The production version of the M4 convertible was also unveiled at the 2014 New York International Auto Show.

It was designed by BMW chief engineer Dominic Harlow and unveiled in official ITR tests in Budapest.

[67][68] The M4 DTM Safety Car features Recaro racing seats, a roll bar, bonnet with "motorsport lock", LED lights on the roof and LED lights on the front apron.

[70][71] It features Recaro racing seats, a roll bar, bonnet with motorsport lock, LED lights at roof and front apron, main electricity switch at bonnet, removal of the rear seat, fuel pump system, a fire extinguisher and a race display on the steering wheel.