Originally Posted by MDivPower
i took a look at the technical regulations for dtm races on their official website, they all use the same gearbox, diff, tyres, brakes, ECUs. On the other side, the engines are limited to 4L, with 90 degrees bank, and a max of 4 valves per cylinder. I thought that every car maker uses his own developed parts.
It used to be much less uniform before these recently implemented requirements. BMW only agreed and decided to return to DTM because of all these standardized parts now.