See also:

Coolant temperature
Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...

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 ...

Electronic displays
With the Professional navigation system 1 Selection list, such as for the radio Navigation display Speed limit detection Computer 2 Transmission displays 3 Service requirements Messages ...