BMW M4 GTS preview - the fastest production BMW ever | evo UNWRAPPED

The BMW M4 GTS is, according to BMW, the fastest series production car it has ever produced.

The M4 GTS boasts a 0-62mph time of 3.8 seconds, 493 bhp and a water-injection system taken from the M4 Moto GP safety car. evo's Hunter Skipworth explains the car in-depth here.