Spy photographers have once again caught the BMW M4 CS testing.
Now that the limited production BMW M4 CSL is sold out, the German automaker is turning its attention on the M4 CS. It’s the first time we’ve spotted it undergoing winter testing, as previous spy photos saw the sports coupe making its rounds on the world famous Nurburgring race track.
There’s very little camouflage left on the prototype, giving us a good glimpse at the aerodynamic upgrades and other bits that will likely come from the hotter model.
SEE ALSO: BMW Planning Hotter M Models with CS Line
This particular car also has the facelifted front- and rear-end, while you can expect to see an upgraded infotainment screen in the cabin as part of the refresh. The latest rumors say production of the 2017 BMW M4 will end in February and the facelifted 2018 model will start production in July.