Future BMW M4 To Use Water Injection For Power, Efficiency At Same Time

BMW M4 GTS concept, 2015 Pebble Beach Concours d'Elegance

BMW recently demonstrated water injection on a small hatchback, but its first planned production use of the feature will be on quite a different type of car. At the 2015 Pebble Beach Concours d’Elegance, the carmaker unveiled the M4 GTS concept–a hardcore version of its current M4 sports coupe. A production version of the M4 GTS will arrive in… …read more