BMW’s M3, M5 and M6 all have it, but the Z4 M derivation of BMW’s roadster set to debut at the North American International Auto Show in Detroit won’t have BMW’s SMG automated transmision. Instead, ...
MUNICH, Germany --BMW will not offer its automated manual transmission on its latest M-badged model, a tuned-up Z4 roadster. The transmission also will be dropped from less-powerful Z4 models, on ...