ACT 09-13 BMW 135i / 09-13 335i Xact Flywheel ProMass

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 ReliabilityThis 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