HELIX lighter flywheel for BMW E36 Complementary modification for the sports vehicles at the time of a clutch change, Helix lightweight steel flywheel gives your car a better acceleration by lowering the heavier stock flywheel inertia. Bolt-on at the place of the stock flywheel. For : - BMW Série 3 E36 M3 (engine S50B) from 1991 to 2000 Characteristic : Diameter : 184 mm To fit 184 mm diameters clutch system. Iillustration picture.