XC3 Engineering BMW M3 E9X E92 Upgraded Propshaft / Driveshaft bolts E53 725d / 730d / 730dX

725d / 730d / 730dX / 730i / 740dX / 740e / 740i / 750dX / 750i / 750iX

BMW M4 F83 with 380mm rear brake setup

GTI & Golf R MK6 (2008-2013) (5X112)

and kit cars

and All-around"

XC3 Engineering BMW M3 E9X E92 Upgraded Propshaft / Driveshaft bolts E53 725d / 730d / 730dXOverview The XC3 Engineering Upgraded Driveshaft Propshaft Bolts are designed to replace the factory BMW one time use fasteners fitted to the BMW M3 E9X drivetrain. OEM BMW bolts are supplied in 10. 9 tensile grade and are classified as single use stretch bolts, meaning they are designed to be replaced every time they are removed. Under repeated high load use, particularly on fast road or track driven vehicles, these fasteners can become a reliability