Run-flat tires are expensive; a replacement P-Zero costs over $420 with labor and taxes. In my case, the repair cost was not covered by BMW, and while Pirelli has its own warranty, it's conditional.

Bridgestone is a leader in run-flat tire technology. Porsche chose the company in the mid-1980s to develop a special run-flat for its 200-mph 959 supercar, and they have been innovating ever since.

Our grandparents would agree that they're a modern miracle: tires that keep on turning even when they're flat. But how exactly does a run flat tire work?

This new replacement all-season tire can add run-flat protection to cars. Published: September 24, 2014 05:30 PM. Find Ratings Tires. A ...

THE image of a businessman huddled next to his car by the side of a road, struggling to replace a punctured tyre, could become a thing of the past within years. Manufacturers are increasingly ...

The official guideline for run-flat (and DriveGuard) use says it is okay to continue driving at speeds of up to 80km/h for 80km. As soon as practicable a punctured run-flat tyre must be replaced ...

Our grandparents would agree that they're a modern miracle: tires that keep on turning even when they're flat. But how exactly does a run flat tire work?