See also:

Engine data
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Enabling operation in the rear
Only possible via the iDrive in the front. 1. "Settings" 2. "Allow rear control" 3. Select the desired priority. ...

Xenon headlamps
Because of the long life of these bulbs, the likelihood of failure is very low. Switching the lamps on and off frequently shortens their life. If a bulb fails, switch on the front fog lamps and ...