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 ...

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 ...

The concept
BMW X5 BMW X5 ▷ During normal brake application, the outer brake lamps light up. ▷ During heavy brake application, the inner brake lamps light up in addition. BMW X6 BMW X6 & ...