The BMW M3 namepalte is revered for its perfomrance standards across its six generations. Here's how they stack up against ...

The fourth-generation BMW 3 Series, dubbed E46, was the best-selling BMW of all time for a reason — they were fabulous cars ...

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.