See also:

Controls
1 Control Display 2 Controller with buttons The buttons can be used to open the menus directly. The controller can be used to select menu items and create the settings. ...

For 520i and 528i: Check oil level
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 ...

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...