BMW X3 Service & Repair Manual: Replacing radial shaft seal for output to the front axle (atc 450)

Special tools required:

• 23 0 490
• 27 1 470
• 83 30 2 318 114

IMPORTANT: After completion of the repair work, check gearbox oil level.

For these transfer boxes, use approved TRANSMISSION OIL only.

Necessary preliminary tasks:

• Remove front PROPELLER SHAFT .

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