Detach service opening (1).
Disconnect plug connection (1) at vacuum sensor.
Carefully remove vacuum sensor (2) from brake booster in direction of arrow.
Installation note:
Check seal in brake booster and replace if necessary.
BMW X3 Service & Repair Manual > Hydr/el control components/elements: Replacing oil reservoir (GA8HP70Z)
IMPORTANT:
Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
Wear protective gloves.
Ensure adequate ventilation.
IMPORTANT:
Valid for vehicles manufactured from 08/2011 onward!
After completion of repair work, check TRANSMISSION OIL LEV ...