In the same way that flat-six engines are considered stock-in-trade for Porsche 911s, the same can be said for straight-sixes being synonymous with the BMW M3. That is, of course, excluding 1986 ...

An all-new BMW M3 is set to arrive within the next two years and, lo and behold, it’ll come as both a mean, green (potential quad-motor) EV and a petrol-slurping straight-six. “We’re going ...