See also:

Run-flat tires
The symbol identifying run-flat tires is a circle with the letters RSC on the sidewall. Run-flat tires comprise a conditionally self-supporting tire and a special rim. The reinforcement in the ...

Exterior
The exterior remains the same for 2009, and the X3 retains its awkward angles, disjointed taillights and odd lower bodywork. It's not unattractive, but it sure isn't as stylish as Mercedes' new GL ...

Pinch protection system
If the closing force when closing the glass sunroof exceeds a certain value, the closing movement is stopped, beginning at approximately the middle of the opening in the roof, or from the tilt ...