AC Schnitzer has prepared a tuning package for the BMW 4-Series Gran Coupe. The changes in the exterior of the car are minimal, including new alloy is (in two designs) with the characteristic AC Schnitzer design, while there is also a small addition to the bottom of the rear bumper, there is also a front spoiler, side skirts, as well as different exhaust tailpipes. For the interior, the tuner offers a leather shifter and handbrake handle, aluminum pedals and footrest, and aluminum cover for the controller of the i-Drive.
Finally, the German tuner raises the performance of the engines of the 4-Series convertible. The 420i produces 245 hp from 184, while the 428i, yields 294 from 245 and the 435i produces 360 from 306. Regarding the diesel engines, the 420d produces 34 more hp (218 hp in total) and the 435d produces 360 hp.