BMW N52 and N53 SINGLE MASS FLYWHEEL - 240 mm. Single-mass steel BMW N52 and N53 flywheel, CNC turned and milled. The flywheel is designed to fit the original clutch disc and pressure plate from the dual-mass setup (240 mm ONLY, if you have 228 mm clutch, you have to buy 240 mm clutch disc and pressure plate).