Remove sealing lips at marked points.
Unclip line and water hose (1) from cover (3).
Unlock retaining lug (2).
Feed out cover (3).
Cover tabs (1) must snap in correctly under cowl panel.
BMW X3 Service & Repair Manual > Final drive with cover: Replacing rear cover gasket on rear differential (188lw)
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT:
In event of oil loss, always check rear differential for traces of wear and damage.
To avoid leaks from the rear differential cover, do not us ...