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

Going & Stopping
The 750i gets a new V-8 engine for 2009 that's smaller but makes more power than the previous engine — 400 horsepower, to be exact. It's the same engine that delighted me in the X6 xDrive50i, and ...

Switching the split screen on and off
1. Press the button. 2. "Split screen" ...