![]() The main complaint with self-supporting run-flat tires is the harsher ride quality due to the stiff sidewalls. You will need to rely on your TPMS system to alert you to the fact that you have lost tire pressure and reduce speed and be sure you can reach a safe destination. This is meant to allow you to continue driving so you can reach a safe location to resolve the problem. The sidewall is designed to be capable of supporting the weight of your car or truck for a distance of 50 miles at a speed no greater than 50 miles per hour with zero air pressure. These tires work by increasing the structural integrity of the sidewall. Self-supporting run-flat tires are the most common type of run flat on the market and are found installed as OEM tires on many BMW, Mercedes Benz, Tesla, and other premium vehicles. None are perfect, but they each have their pros and cons. Each of these types of run-flat tires will allow you to reach your destination after a minor puncture that would leave a car or truck with regular tires stranded or in need of installing a spare tire. There are 3 main types of run-flat technology – self-supporting, self-sealing, and auxiliary-supported. All new vehicles these days come with TPMS, although some are better than others. They can not be patched like an ordinary tire.Ī tire pressure monitoring system (TPMS) is required for the use of most run-flat tires since it may not be obvious that you have punctured a tire. Once punctured, a run-flat tire should be replaced with a brand new run-flat tire. When punctured, they last 50 miles at a max speed of 50 mph. How Long Do Run-Flat Tires Last? Run-flat tires last just as long as a standard tire under normal use, typically 50,000 to 60,000 miles. This guarantee will let you know how many miles you can expect to get out of your run-flat tires. Run-flat tires usually come with a tire warranty that often includes a tire mileage guarantee. Run-flat tires wear the same as conventional tires and last just as long. Conventional tires last 50,000 to 60,000 miles typically, assuming there isn’t an issue with uneven wear or tire damage.
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