See also:

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 ...

BMW Info
General information Messages from BMW regarding service actions and news from BMW. Selecting additional functions The following functions are available when a message is selected: ...

Activating HDC
Press the button; the LED above the button lights up. ...