AC Schnitzer Profile BMW Z4 M This is the AC Schnitzer Profile styling kit for the BMW Z4 M. The new AC Schnitzer takes care of the BMW Z4 M bodywork, interior, suspension, brakes and exhaust. The AC Schnitzer Profile BMW Z4 M has 350 hp and the rear axle ratio is modified to 3.91:1 for better sprint capacity. The front brakes have a 8-pot fixed caliper with slotted and vented brake disks. in Public bookmarkswith acautoautomotivebmwcarscustommprofileschnitzertuningz4