As the low sun refracts alarmingly across the CS’s windscreen the 100 miles between Munich and Nuremberg disappear indecently quickly. Earlier, I’d been wondering if the M4 CS is a real M car ...
Since then, the M4 (and its four-door M3 sibling) has undergone multiple revisions, as well as been diversified into the excellent, but eye-wateringly expensive CS and lesser Competition Pack options.