Model History and Information: BMW M published full details of the M2 CS on May 28, 2025. Its 3.0-liter turbocharged inline-six delivers 530 hp and 650 Nm, 50 hp more than the standard M2, for 0 to 62 mph in 3.8 seconds and an electronically limited top speed of 188 mph. Carbon-fiber-reinforced plastic for the roof, the rear diffuser and a boot lid with integrated ducktail spoiler helps make the CS about 30 kg lighter than the regular M2.