BMW M4 to spawn CS grade next year

BMW’s current 4-Series range will undergo its mid-cycle update next year, and as part of the update the high-performance M4 variant will spawn a CS grade. The new M4 CS was confirmed by BMW M chief Franciscus van Meel in an interview with Autocar published on Wednesday. He also confirmed that an updated M3 as well as the new M5 and M5 Touring will…