A couple of American wheel experts have shared their thoughts on sporty BMWs, and we couldn't help but bundle them together for a quick comparison ...

This tuned BMW M4's fresh alloys have a bi-tone look, mixing black and silver ... will immediately reveal the motorsport-inspired cockpit with dual bucket seats, six-point racing harnesses ...

The new BMW M4 Competition M xDrive is available in metallic paintworks - Skyscraper grey, Portimao Blue, Black Sapphire ... inside the M-specific sportscar cockpit. The standard M sports seats ...