Ironman Sprung (Street) Clutch Kit for BMW 525i 2001 - 2003 2.5L DOHC (E39) RWD Includes Lightened Flywheel Ironman Sprung (Street) Clutch Kit for BMW 525i 2001 - 2003 2.5L DOHC (E39) RWD Includes Lightened Flywheel