BMW 3.5 CSL T SHIRT E9 RACING RALLY RACE BATMOBILE VASEK POLAK NURBURGRING SCCA

The CSL designation in German - Coupé Sport Leichtbau - stands for Coupe Sport Lightweight. The M49/3 consisted of a cast-iron block, forged-steel crankshaft, and an aluminum cylinder head featuring 4 valves per cylinder and dual overhead camshafts.