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 ...

Closing the windows and glass sunroof/panoramic glass sunroof
Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Mobile communication devices in the vehicle
Mobile communication devices in the vehicle It is not recommended to use mobile phones, such as mobile phones without a direct connection to an external aerial in the vehicle's passenger comp ...