See I have had this same type of experience more than once too which prompted me to think that these were in fact run flats. When I went to install my new set of tires I had them remove all the centers of the valve stems to fully deflate the Diamaris before lifting up and removing them from the car but my X5 still sat normally as if they were runflats! Now he did verify that they didn't have the runflat rating and when he dismounted the tire from the wheel he said it was easier to remove than a runflat would have been. I guess the side walls must be strong enough to hold up our heavy X5 when fully deflated. But wouldn't that make it a run flat? I mean I should have took a picture of it, you couldn't tell by looking at it that the tire had no air pressure in it!
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Originally Posted by rgnbull1227
I would definitely say the Diamaris are run Flats from experience. Left my house one morning in NY and the Temp was about 4 Degrees. I got on the highway late for a meeting and looked down and saw the Tire Pressure light on. Figured because of the cold, one of the tires pressure dropped and the heat into the tire would bring it back up but I would stop at a certain gas station on my route to double check. Station was about 20 miles away. Ran down the Highway at 65+. Pulled into the gas station to check the pressure and sure enough. NO AIR! Bead was broken as well and the tire drove fine. Had to jack the car to re set the bead and put air in. Went on my way. So I would say yes....Diamrais are Run Flats.
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