AC Schnitzer front splitter for BMW X4M F98 from 08/21Black Product Information: Material: ASA (acrylic ester styrene acrylonitrile) ASA is a UV resistant, bleach resistant, all purpose material with the mechanical properties of an ABS plastic. The material has a high mechanical resistance combined with the best possible surface finish and aesthetics. The AC Schnitzer aerodynamic components pick up the lines of the respective vehicle, discreetly reinforce them and give the bodywork exciting new contours.