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 Owners Manual > Parking assistant: Overview
Button in the vehicle
Parking assistant
Ultrasound sensors
The ultrasound sensors for measuring parking
spaces are located on the side of the vehicle.
To ensure full functionality:
Keep the sensors clean and free of ice.
When using high-pressure washers, do not
spray the sens ...