Necessary preliminary work:
Removal:
Press brake pedal down to floor and secure with pedal support.
NOTE: The pedal support may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank and air from entering the system when the brake lines are opened.
Remove dust cap (1).
Remove vent valve (1).
IMPORTANT: Collect escaping brake fluid in a suitable collecting vessel.
Installation:
IMPORTANT: The bore hole must be free of contamination!
Install vent valve (1).
Mount dust cap (1).
Remove pedal support.
Required follow-up work:
BMW X3 Service & Repair Manual > Transmission: Extension housing, bearings, seal
REPLACING OUTPUT FLANGE RADIAL SHAFT SEAL (GA8HP45Z) (AWD)
Special tools required:
23 0 490
23 3 220
IMPORTANT:
After completion of repair work, check TRANSMISSION OIL LEVEL .
Use only the approved TRANSMISSION OIL .
Failure to comply with this requirement will result in serious dam ...