See also:

Tire inflation pressures X5 xDrive50i with three rows of seats
  ...

The concept
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 ...

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...