Just when you thought theBMW M4 GTSwas Munich's top-dog on a racetrack, a special-edition newcomer arrives to up the ante, at least on the heritage front. The track-focused M4 DTM Champion Edition ...
BMW is readying flax-based composites for series production cars. The German automaker is working with clean-tech company Bcomp for the natural composites found in the BMW Formula E car, the M4 DTM, ...