For reusing: Checking the output shaft on the left and right and replacing the snap rings

NOTE: Description is for left component only. Procedure on the right side is identical.

For reusing: Checking the output shaft and replacing the snap rings

NOTE: TECHNICAL INFORMATION
It is essential to replace the snap rings of the output shaft.

NOTE: TECHNICAL INFORMATION
Extreme force being required during installation is an indication that the component is damaged or deformed. Check component and replace if necessary.

Check the gearing of the output shaft for damage and replace damaged parts if necessary.
Check the dust plate (1) for damage and replace damaged parts as needed.
Replace the snap rings (3).
Parts: snap rings
Coat the contact surface (2) using APPROVED FINAL DRIVE rear differential fluid.

Courtesy of BMW OF NORTH AMERICA, INC.