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:
Tire inflation pressure values up to
100 mph/160 km/h
528i
528i xDrive
535i
550i
535i xDrive
550i xDrive
...
Switching on automatically
Select transmission position R with the engine
running. ...
Selecting a station
1. "Radio".
2. "FM" or "AM".
3. Select the desired station.
All saved stations are stored for the remote control
currently in use. ...