The Clutch Masters FX250 sprung-disc clutch kit for 2006–2010 BMW 550i (E60) 4.8L is aimed at spirited street drivers and occasional track use, offering about a 110% increase in holding capacity over milder options. It pairs a Power Plus I heavy-duty pressure plate with mixed Fiber-Tough and organic friction faces and is specified for single-mass flywheel applications; it will not work with dual-mass flywheels.
Clutch Masters 06-10 BMW 550 4.8L E60 FX250 Dampened Disc Clutch Kit