Necessary preliminary tasks:
Release nuts (1) from footwell and detach adjustment lever.
Installation note:
Replace nut (1).
In installed or closed condition, the adjustment lever must be positioned parallel with the steering column!
BMW X3 Service & Repair Manual > Final drive with cover: Checking/topping up oil level in rear differential
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:
Risk of damage!
To avoid serious damage to the rear axle differential, it is essential to use only approved
transmission oils in the rear ...