Our Unit 14 Performance M5X Secure Oil Pump Nut is designed to prevent the factory oil pump nut from loosening, a known issue that can lead to loss of oil pressure and serious engine damage. This upgraded nut is pre-drilled for safety wire, providing a secure and reliable solution without the need for welding.
Unlike welded nuts, this setup allows for easy removal and servicing when required, making it a more practical long-term solution.
Ideal for both street and performance builds, this is a simple upgrade that adds peace of mind to any M5X engine.
M5X Engine Fitment
Designed to suit M50, M52, M52TU, S50, S52 and M54 engines, replacing the factory oil pump nut with a direct-fit solution.
Key Features:
Pre-drilled for safety wire
Prevents oil pump nut loosening
Serviceable alternative to welding
Contents:
1x Oil Pump Nut
Safety Wire
Notes:
Torque to 17–18 ft-lbs
Safety wire must be correctly installed

