10 July 2017
The new BMW M4 CS occupies the middle ground between the standard M4 and the M4 GTS.
But can some exotic weight-saving parts and a slight uplift in power justify a near-£90,000 price tag? We took a closer look at the M4 CS to find out whether it's the pick of BMW's M4 range.
Check out our full review of the BMW M4 CS here.
