BMW is hitting the track with two very different kind of wheeled machines: an M4 GTS converted to safety-car duty for DTM, and a wheelchair for the US paralympics team. DTM touring car series.

So the M4 GTS is more than just a slightly irrelevant road-racer. It should tell us whether M division still has the magic. You see, the M3 GTS does feel authentic. Completely. I’ll admit the ...