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 drillings 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 2 318 114 .
Reassemble the vehicle.
Check oil level.
Check transmission for leaks.
BMW X3 Service & Repair Manual > Approved hydraulic fluids: E24, e28, e32, e34, and e38
E24, E28 produced prior to 9/87
Pentosin CHF 4548 was used for initial factory filling.
For filling up and replacement the following oil is to be used:
Pentosin CHF 7.1 BMW Part No. 81 22 1 468 879
Pentosin CHF 4548 and CHF 7.1 can be mixed in these cars.
For complete system oil replacement:
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