See also:

A More Muscular X5
The X5 M's styling is more aggressive than the regular X5's, but the changes have been tastefully integrated into the overall design. One thing that might be deemed a little over-the-top is the fr ...

Run-flat tires
Label RSC label on the tire sidewall. The wheels are composed of special rims and tires that are self-supporting, to a limited degree. The support of the sidewall allows the tire to remain dr ...

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. ...