The FX350 System uses the Power Plus I Pressure Plate with Clutch Masters New Formula Button disc. This clutch is designed for the street enthusiast or weekend racer who plans to abuse their vehicle on an occasional basis and have a spirited driving style. The FX350 clutch system has a higher holding capacity than a segmented Kevlar lining without compromising the street friendly characteristic Clutch Masters is known for. For year’s enthusiast have had to compromise durability for drivability and vise versa, however with Clutch Masters New Formula button we have closed the gap between these two tradeoffs. PartNumber : cm03055-HDFF-R Description : FX350 Clutch Kit; Heavy Duty Pressure Plate; Sprung Hub Fiber Tough Lined Disc; Rigid Disc 2008-2009 BMW 135i Base L6.2979cc Drivetrain::Clutch Kits - Single 2007-2010 BMW 335i Base L6.2979cc Drivetrain::Clutch Kits - Single 2008-2010 BMW 535i Base L6.2979cc Drivetrain::Clutch Kits - Single 2004-2005 BMW 545i Base V8.4398cc Drivetrain::Clutch Kits - Single 2004-2005 BMW 645Ci Base V8.4398cc Drivetrain::Clutch Kits - Single 2009-2013 BMW Z4 sDrive35i L6.2979cc Drivetrain::Clutch Kits - Single