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 |