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.
See also:
Maintenance
Maintain the vehicle regularly to sustain the road
safety, operational reliability and the New Vehicle
Limited Warranty.
Specifications for required maintenance measures:
▷ BMW Maintenance ...
Interior rearview mirror
Reducing the blinding effect
From behind when driving at night: turn the
knob. ...
Adding engine oil
Filler neck
Only replenish the maximum oil amount of
1 US quart/liter if the message is displayed in the
instrument cluster or the oil level has dropped to
just at the lower mark of the dipst ...