Whiteline Rear Anti Roll Bar for Audi S3 8P Mk2 2.0TFSI Quattro BWR21XZ
Part Number: BWR21XZ. Audi S3 8P Mk2 (inc. Sportback) (2006-2012) 2.0TFSi Quattro. By reducing body roll, lateral loads are spread more evenly across the tires thereby increasing cornering grip and improving outright performance.