Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Adjusting
Vehicle
...
Adding engine oil
Filler neck
BMW X5
BMW X6
Add a maximum quantity of 1 US quart/1 liter of
oil only after the corresponding message appears
on the Control Display.
Add oil promptly
Add oil within the ne ...
Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...