See also:

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. ...

Driving tips
This section provides you with information useful in dealing with specific driving and operating conditions. ...

Overview
The launch of the fifth generation of the BMW 7-Series sets a new benchmark in automotive luxury, technical innovation and class-leading driving dynamics, combined with emissions reducing and fuel ...