Hartge Releases Official Engine Conversion for the BMW F10 M5
14 Feb 2013, 10:36 UTC · By: Gabriel Nica / When delivered to its new owner, the F10 M5 comes with 560 HP spewing out from the S63 4.4-liter V8 twin-turbo engine. That's stock, but the car still goes from 0 to 100 km/h in 4.4 seconds. Th...