700 HP BMW M6 Drag Races 780 HP Mercedes-Benz CLS63 AMG Tuned by MHP
18 Nov 2014, 09:01 UTC · By: Gabriel Nica / Incredible numbers is what tuners are all about these days. Looking over the specs they seem to be getting out of the new M4 it’s no surprise that the car’s bigger brothers, the M5 and M...