See also:

Switching off automatically
The system switches off and the LED goes out: After approx. 33 ft/10 m when driving forward. Above approx. 9 mph/15 km/h when driving forward. Switch on the system again if necessary. ...

Tire inflation pressures for X6 xDrive50i
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Malfunction
A Check Control message is displayed. The parking assistant failed. Have the system checked. ...