BMW X3 Owners Manual: The concept
Two radar sensors below the rear bumper monitor the area behind and next to the vehicle at speeds above approx. 30 mph/50 km/h.
The system indicates whether there are vehicles in the blind spot, arrow 1, or approaching from behind on the adjacent lane, arrow 2.
The lamp in the exterior mirror housing is dimmed.
Before you change lanes after setting the turn signal, the system issues a warning in the situations described above.
The lamp in the exterior mirror housing flashes and the steering wheel vibrates.
Hints
Personal responsibility
The system does not serve as a substitute for the driver's personal judgment of the traffic situation.
Be aware of the traffic situation and the vehicle's surroundings at all times, otherwise accidents are still possible despite all warnings.
At a glance
Button in the vehicle
Intelligent Safety button
Radar sensors
The radar sensors are located under the rear
bumper. ...
Other materials:
BMW X3 Service & Repair Manual > Starter with mounting: Handling components after flood damage
Flood damage can occur if the permissible fording depth of a vehicle is exceeded. Ingress of water can cause
damage to the engine (water shock) or components.
Because dirt particles generally enter into the component with the water (e.g. starter motor, wiring harness), the
components need to ...