PMC Motorsport - Flywheel BMW M50 S50 M52 S52 M54 S54 - manual 6-speed BMW N54 GS6-53BZ 135i 335i 535i - 240mm / 9.45" - 5700g / 12,9lb sc300 race-spec 75D durometer polyurethane motor

race-spec 75D durometer polyurethane motor and trans mounts are the hardest available (aside from solid aluminum)

and BC Racing's patented concave lower locking ring keep it locked in

Part number 550-926 also has 4L60E or 4L80E Transmission control and Drive-By Wire Throttle Body control

which lock in via a 'T' bar to the lightweight cam-lock

528i & 530i BMW OEM rubber motor mounts

PMC Motorsport - Flywheel BMW M50 S50 M52 S52 M54 S54 - manual 6-speed BMW N54 GS6-53BZ 135i 335i 535i - 240mm / 9.45" - 5700g / 12,9lb sc300 race-spec 75D durometer polyurethane motorPMC Motorsport Custom Flywheel Adapter BMW M50 S50 M52 S52 M54 S54 BMW N54 ZF GS6 53BZ 135i 335i 535i 6 speed Petrol 240mm 9. 45" 5. 7kg 12. 9lb Looking to install a 6 speed gearbox in your BMW? This custom aluminum flywheel adapter kit allows for the connection (swap conversion) of the BMW M50 S50 M52 S52 M54 S54 engine with the manual 6 speed ZF (ZF Friedrichshafen) GS6 53BZ gearbox from a BMW. PMC Motorsport gearbox adapters are a synonym for