N ormally, the only markings you see on your tire's sidewall are letters and numbers. There's the SSR label that means the tire can run flat for a limited distance, 225/45R18 that points to your ...

Our grandparents would agree that they're a modern miracle: tires that keep on turning even when they're flat. But how ...

Q: What is your opinion on run-flat tires? Do you think they have the same longevity, and, more importantly, are they as tough as regular tires? I recently had my 2016 BMW X5 towed, because my ...

The run-flat tire is actually a more than 30-year old concept, but the technology can be traced back to 1892, when the first patent was officially registered.

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.

Those of you who own a car with run-flat tires—tires that can go about 50 miles at 50 mph once punctured—know that ride comfort is the main sacrifice. God help you if you get an already-sporty ...

Run-flat tires promise to remove a key travel worry—being stranded roadside. However, the ownership experience can be both expensive and frustrating, as we have heard from owners.

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 ...

Run-flat tyres are reducing roadside dangers Run-flat tyres maintain tyre shape and vehicle controls after a loss of air pressure. Photo: Pexels. May 11, 2025. Buhle Matsoele 2 minutes read.

There's the SSR label that means the tire can run flat for a limited distance, ... M+S and 3PMSF. Both symbols do tell you that a tire is winter-ready, but they don't exactly mean the same thing.