In the post's caption, von Broich says that his team built the car by adapting a production M3 Touring chassis to fit the ...

BMW M2: a 473-hp, manual German sports coupe with a twin-turbo inline-six, blending raw fun and top-tier performance.

BMW billed its hybrid M5 as the most powerful safety car ever; evidently, it takes a delicate touch to get it around COTA.