https://www.bmwblog.com/2017/04/10/bmw-m2-cs-also-feature-s55-engine-production-march-2018/
BMW M2 CS also to feature S55 engine, production March 2018
Mar 27, 2020 - According to sources, the BMW M2 CS will deliver around 400 hp, using a detuned S55 engine imported from the BMW M3 and M4
bmw m2 css55 enginealso