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
2008-2013	BMW	128i	Base
2006	BMW	325i	Base
2006	BMW	325xi	Base
2007-2013	BMW	328i	Base
2009-2013	BMW	328i xDrive	Base
2007-2008	BMW	328xi	Base
2006	BMW	330i	Base
2006	BMW	330xi	Base
2006-2007	BMW	525i	Base
2006-2007	BMW	525xi	Base
2008-2010	BMW	528i	Base
2008	BMW	528xi	Base
2006-2007	BMW	530i	Base
2006-2007	BMW	530xi	Base
2007-2008	BMW	X3	3.0si
2009-2011	BMW	Z4	sDrive30i