Getting excited about the BMW M4 CS requires an understanding of its big sibling, the M4 CSL. That was the 1000-off, extra-special M4 that came out a couple of years ago, and while it was hideously ...

Inflation: it's affecting everything, even BMW M models. It used to be that if you bought an M, that was it. You won. Now, a proper M (not the M Sport models) is simply a jumping off point.