After 10 seconds, the indicator lamp flashes continuously. Interior motion sensor and tilt alarm sensor are not active.
When the still open access is closed, interior motion sensor and tilt alarm sensor will be switched on.
Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly.
BMW X3 Service & Repair Manual > Wheel bearings and stub axle: Removing and installing/replacing left or right swivel bearing
Special tools required:
31 2 230
Necessary preliminary tasks:
Remove FRONT WHEEL .
Detach ANTI-ROLL BAR LINK AT SPRING STRUT.
Detach PULSE SENSOR ON SWIVEL BEARING set down with the engine support.
Detach TRACK ROD END FROM SWIVEL BEARING .
Detach WISHBONE.
Detach TRAILING LINK ...