BMW M is respected throughout the universe for building some of the most iconic sports sedans in the history of performance motoring. And two of their latest sedans are proper beasts. But is lining up an M3 Competition against an M5 Competition entirely fair? Would it even things up if it is an Evolve-tuned M3 Competition with almost 400kw and 750nm from its twin-turbocharged 3.0-litre straight-six? For reference, the M5 Competition’s twin-turbocharged 4.4-litre V8 has 460kw and 750nm. And to ma