AC Schnitzer ACS4

California-based European Auto Source teamed up with German powerhouse AC Schnitzer, and other aftermarket companies, to tune up a BMW M4. The project was dubbed ACS4 and features, among other performance parts, a series of…

The fastest BMW on Hockenheim comes from Aachen: The AC Schnitzer ACS4 Sport – based on the BMW F82 M4 – has recorded a lap time of 1:09.5 minutes. BMW’s “standard” M4 was a full…