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

2011 BMW 750 Review by David Thomas
As the 2010 7 Series ebbs into the 2011 with few changes, I spent some time driving the 750Li xDrive. That's BMW's long-wheelbase, all-wheel-drive version of its flagship sedan. While I was impr ...

General information
The navigation system can determine the precise position of the vehicle, with the aid of satellites and vehicle sensors, and can reliably guide you to every entered destination. Navigation data ...