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.

There’s something raw about a fast car with no roof. G-Power’s latest build takes the BMW M4 Convertible and turns it into something far more serious: the G4M Bi-Turbo Convertible, a machine with ...