Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Microfilter/activated-charcoal filter
The microfilter traps dust and pollen in the incoming
air.
The activated-charcoal filter removes gaseous
pollutants from the outside air that enters the
vehicle.
The service center replaces th ...
Owner's Manual for Vehicle
Thank you for choosing a BMW.
The more familiar you are with your vehicle, the better control you
will have on the road. We therefore strongly suggest:
Read this Owner's Manual before starting off ...
External temperature
External temperature warning
If the display drops to
+37 ℉/+3 ℃, a signal sounds.
A Check Control message is displayed.
There is the increased danger of
ice.
Ice on roads
Even ...