The SPEC steel flywheel for 2001–2006 BMW M3 3.2L and 2007–2008 BMW Z4 3.2L is a direct-fit replacement intended to restore clutch engagement and drivetrain function. As a steel flywheel option, it offers a serviceable solution for clutch rebuilding or replacement projects on the specified BMW engines where a steel replacement is required.
Spec 01-06 BMW M3 3.2L / 07-08 BMW Z4 3.2L Steel Flywheel