See also:

Odometer and trip odometer
Resetting trip odometer: With the ignition switched on, press button 1 in the instrument cluster. ...

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

Notes
The vehicle equipment does not include a spare tire. When using run-flat tires* or tire sealants, a tire does not need to be changed immediately in the event of pressure loss due to a flat tire ...