See also:

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 ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Performance
For 2009, there's just one engine: a 3.0-liter six-cylinder that's good for 260 horsepower. It teams with either a six-speed manual or a six-speed automatic transmission. All X3s have all-wheel dr ...