Noticeably improved engine response and acceleration, OE to mild gear rattle; Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for street and race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability

This Part Fits:

Year	Make	Model	Submodel
2009-2013	BMW	135i	Base
2009-2015	BMW	335i	Base
2009-2015	BMW	335i xDrive	Base
2011-2013	BMW	335is	Base
2014-2016	BMW	435i	Base
2014-2016	BMW	435i xDrive	Base
2009-2014	BMW	535i	Base
2009-2010	BMW	535i xDrive	Base
2009-2016	BMW	Z4	sDrive35i