2010 Ac Schnitzer ACS3 3.5d Sports CoupeAc Schnitzer ACS3 3.5d Sports Coupe, AC Schnitzer never tires of receiving awards. Very recently, the carmaker got a third world record for Aachen after having gone to Nardo in southern Italy. Third World Record in Succession: AC Schnitzer builds fastest diesel car! AC Schnitzer ACS3 3.5d Coupé reaches 288.7 km/h in Nardo. It's a hat-trick: for the third