BMW is ready to unveil a new version of its M5 super sedan next month, and a teaser video posted on its Facebook page on Tuesday provides some important details.
The new variant will have the emblem of an M5 CS, placing the M5 alongside other M cars that have received the CS treatment. BMW also offers an M2 CS, and there were CS versions of the previous generation M3 and M4.
The M5 CS prototypes have been tested for months and now we have the first details, thanks to Markus Flasch, head of the BMW M division. In the teaser video, he confirmed that the M5 CS will have a peak production of 635 horsepower, although it is likely to be a metric rating used in Germany and therefore could be reduced to 626 hp when evaluated in the United States. In comparison, the regular M5 produces 600 hp and the M5 Competition makes 617 hp.

2021 Spy shots for the BMW M5 CS – Photo: S. Baldauf / SB-Medien
Flasch also confirmed a weight reduction of 70 pounds (154 pounds) from the M5 competition, with one of the weight reduction measures being the addition of lightweight carbon fiber seats borrowed from the latest M3 and M4. Flasch also said that the car is a strict four-seater.
Other elements confirmed for the M5 CS are forged aluminum wheels and a carbon-ceramic brake package with red painted calipers (as opposed to the traditional blue used in M cars). The wheels will have an exclusive bronze finish that will also be applied to other areas of the car, such as the grille. Another exclusive touch will be the yellow headlights inspired by motorsport, although only for daytime running lights.
There may be more. CS models tend to have less restrictive baby monitors, and there have been rumors of a newly developed V-8 possibly debuting on this CS M5. We’ll know soon, stay tuned.