BMW X3 Service & Repair Manual > Transmission shafts: Replacing output flange on rear transfer box (atc 45l)
IMPORTANT:
After completing work, check TRANSMISSION OIL LEVEL and top up if necessary.
Use only the approved TRANSMISSION OIL .
NOTE:
Replace output flange only together with a new radial shaft seal.
Procedure for removing output flange is identical to replacing RADIAL
SHAFT SEA ...