Nestled between the standard M4 and the hardcore, track-bred M4 GTS, the 2025 BMW M4 CS perfectly hits that sweet spot.

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 ...

According to our scales the CS weighs in at 1610kg, which is 30kg less than the RWS and 35kg under an M4 Comp Pack ... and emitting a spine-tingling howl that has you chasing the 8500rpm red ...