How to identify run-flat tires

What Are Run-Flat Tires And Can You Plug Them? ❤️


Runflat tires are tires that can be driven a certain distance at reduced speed, even with a flat tire. This gives you some time to drive to the workshop. The distance and speed that run-flat tires can withstand after going flat depending on the tire brand and the current weight of the car. You can usually tell if your tires are run-flats by looking at them or by examining other details of your car.

Check your tires

Look for the words “Run Flat” on your tires.

Some tire brands that make run-flat tires simply label them Run-Flat, making it easier for the car owner. Pirelli® is such a brand. Just look for the words “Run Flat” on the side of your tire, usually near other manufacturer information and numbers.

Look for the codes RFT, SSR or DSST on your tires.

Bridgestone® sometimes uses the code RFT (Run-Flat Tire) on its tires to denote a run-flat tire. Continental® uses the code SSR (Self Supporting Runflat), and Dunlop® sometimes uses DSST (Dunlop Self Supporting Tire). Look for these codes on the sides of your tires near other numbers and manufacturer information.

Look for the codes ROF, EMT, or ZP on the tires.

Several tire brands use the code ROF (Run On Flat) on their run-flat tires, including Goodyear®, Bridgestone® and Dunlop®. Goodyear also uses EMT (Extended Mobility Technology) to designate run-flat tires. A few brands use ZP or ZPS (Zero Pressure or Zero Pressure System) on their run-flat tires, including Michelin® and Yokohama®. Look for any of these codes near the manufacturer information on the sides of your tires.

Look at a car with original tires

Check your car’s manual.

The most direct way to find out if you have run-flat tires is to check your car’s manual. If your car still has its original tires and they are run-flats, the manual explains everything you need to know about your run-flat tires and the TPMS (Tire Pressure Monitoring System).

On newer cars, look for run-flat tires made by specific companies.

Runflat tires have been on the new car market since the early 21st century. The newer your car, the more likely it is to have run-flat tires. Specific car companies are more likely to use run-flat tires on their new cars, particularly BMW® and Lexus®. Toyota® puts run-flat tires on its coupes and sedans. If you have one of these car brands with original tires on it, it is possible that you have run-flat tires. BMW® cars are by far the most common cars you’ll find run-flat tires on. If you drive a newer BMW®, chances are you have run-flat tires.

Check if your car has a spare tire or not.

A car with original run-flat tires on it will not have a spare tire in the trunk. If your car has a tire repair kit in the trunk instead of a spare tire, there’s a good chance you have run-flat tires. If you’re still unsure, ask the retailer or check your manual to find out.

Look for a tire pressure warning light on the driver’s side dashboard.

Cars fitted with run-flat tires also have a tire pressure monitoring system that monitors the air pressure in the tires. If your air pressure is low, a light will come on to warn you of the low pressure. Your owner’s manual will tell you where to look for this warning and what to do if it comes on.


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