See also:

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

General driving notes
Closing the trunk lid Drive with the trunk lid closed Only drive with the tailgate closed; otherwise, in the event of an accident or braking or evasive maneuvers, passengers or other road use ...

For X3 xDrive28i: Oil levelcheck
The concept The oil level is monitored electronically during driving and shown on the Control Display. If the oil level reaches the minimum level, a check control message is displayed. Displayi ...