ROM THE FINE-HANDLING E30 ORIGINAL to the sensational V8-powered E90, there wasn’t a generation of M3 that didn’t hit the spot. And then along came this, the no-E-numbers-please F80. Out went the lovely V8 and back came a straight-six, this time puffed up by a pair of turbos boosting power to 425bhp, an increase of 11 horsepower over its predecessor, and soaring torque from
