Special tools required:
IMPORTANT: After completing repair work, check TRANSMISSION OIL LEVEL and top up if necessary.
For this transfer box, use approved TRANSMISSION OIL only.
Necessary preliminary tasks:
Release circlip (1).
Release output flange with three-claw extractor tool.
Lever radial shaft seal out of housing with a suitable tool.
IMPORTANT: Do not damage housing.
Installation note:
Replace O-ring in output flange.
Check that O-ring is in correct position.
Installation note:
Coat sealing lips of new radial shaft seal with clean transmission oil.
Drive in radial shaft seal with special tool 27 1 440 .
Installation note:
BMW X3 Service & Repair Manual > Electronic switching or control units: Replacing pulse sensor on exhaust camshaft (N55)
IMPORTANT:
Aluminum screws/bolts must be replaced each time they are released .
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Jointing torque and angle of rotation must be observed without fail (risk of damage) .
IMPORTANT:
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