See also:

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Tilting the glass sunroof
Push switch upward briefly. ► The closed roof is tilted and the sliding visor opens slightly. ► The opened roof closes until it is in its tilted position. The sliding visor stays ...

Driving
I'd feel a bit bad for the driver on that trip, though. While the 400-horsepower, turbocharged 4.4-liter V-8 engine is relatively sprightly in the 750i, I thought it was a bit of a laggard while t ...