Special tools required:
IMPORTANT: After completion of the repair work, check gearbox oil level.
For these transfer boxes, use approved TRANSMISSION OIL only.
Necessary preliminary tasks:
Remove protective cap (1) with a screwdriver.
Drive a hole into radial shaft seal (1) using a center punch (2).
IMPORTANT: Do not use a drill as swarf may result in transmission malfunction.
Screw in special tool 23 0 490 .
Drive out radial shaft seal (1) with impact weight (2).
Drive in radial shaft seal with special tool 27 1 470 or 83 30 2 318 114. (Observe diameter of radial shaft seal)
Reassemble the vehicle.
Check oil level.
Check gearbox for leaks
BMW X3 Service & Repair Manual > Front axle: Ring
Ring AM
Replaced by: 83300493560
NOTE:
(Spring retainer) With insert ring 31 3 101 only for series E46/without insert ring
31 3 101 for series E31, E39 front basic version Discontinuation and replaced
by 31 3 350. (0 493 560)
Ring AM
Replaced by: 83302213038
NOTE:
(Spring retainer ring) ...