What Happens When A RUNFLAT Goes FLAT?

Links to the PRODUCTS we installed today:
(X7 Parts) -
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Links to the TOOLS we used today:
(Wera Tools) -
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In today's video, we show you what happens when your runflat tire goes flat, and what it looks like when you drive on it at 50mph.
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(Our Instagram) - @KiesMotorsports
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DISCLAIMER
Thanks for watching and please try everything at your own risk.

Kies Motorsports is an Authorized Dealer of: Wera Tools, ProTuningFreaks BootMod3, dÄHLer, Mosselman, Mishimoto, Apex, Remus, BimmerTech, AWE Tuning, Evolution Racewerks, CSF, Pure Turbos, Kratos Turbos, FTP, Variant Wheels, Fuel-it, Studio RSR Roll Cages, MST Performance, Burger Motorsports, VRSF, Bilstein, H&R, Injen, Borla, Dinan, GoFastBits, Depo, VMR Wheels, BBS, Sparco, Snow Performance, Nitrous Express, AFE, Akrapovic, Eibach, Hawk, Fifteen52, Koni, KW, Seibon, Stop Tech, Vorsteiner, Wagner Tuning, Wilwood, and many more incredible brands!

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[markbrayX]

As my tire was deflating on my way home, I made it into the garage with 12 psi. Now it is flat. I called and ordered a new one, and after watching this video, feel confident that I can drive to the tire store 2 miles away, when the tire comes in. Thanks so much for sharing this.

[kerny]

I drove like 45 miles on a run flat once. Tire started overheating after 35 miles or so and had to slow down. Worked great, but still put on go flats the next day.

[jmciver]

Great vid! And for those that did not know, with the X7, you can also get a space saver spare (and emergency tools) that will fit under the 3rd row seat. Either the OEM one (BMW has a retrofit kit if you did not get the factory space saver spare option) or there are aftermarket options. For my X7 (which also came off the dealer lot with runflats and no factory spare), I purchased the OEM space saver spare wheel/tire, and added my own emergency tools (including an air pump), and it all fits in the OEM space saver spare compartment under the 3rd row seat.

[paulabulluck]

Thank you for this! New owner of a 2012 F30 and bought run flats “just because” basically. But never knew what to expect if damage occurs. In the back of my mind always wondered if they were really any better.

[plasmac]

My experience with run flats is they are much more susceptible to damage. You hit a pothole or something else in the road, the tire won't go flat but there's a good chance the sidewall is going to bubble and then the tire needs to be replaced.

[JeeperZJ]

I caught a deep pothole in my f30 on the highway about 20m from my home. Lf Tire immediately went flat and I knew it, I was able to drive fast enough to keep up with traffic on the highway I was on for another 15m which was about 70mph. I got off the highway when it got to a more windy section and drove on the local roads at no more then 30mph until I got home. There's no chance I would've been able to do that on a regular tire.

[crow]

i am sitting on the side of the road, watching the video and wondering should I continue driving with the tire in this condition.
THANK YOU !!! 😅

[sammyg]

I had nail in my run flat tyre and I drove 2 hours with no problem and it was still fine for several journeys before I changed it

[sandervn]

Had a flat with mine when the tire was just 2 weeks old. I do keep a small compressor in my car, inflated the flag one and drove to a shop. It was only a nail, so it deflated slowly. Because of inflating the tire they were actually able to plug the tire.

[FHo]

Bryan stabbing and drilling into the tire 🤣👏🏽

[mountainousterrain]

Once hit a major pothole and blew both left tires. Run flat tires saved the day.

[FaTaLiizM]

I drove about 110 miles on a runflat once XD from Hollywood to Palm Springs. Drive was sketchy as hell, but it made it with no issues. Tire actually looked like it was in perfect shape after the 110 miles lol

[vincentdiaz]

Great Video !! Helps me in deciding!! Of course to buy.

[jeromecampbell]

I've been lucky with tires for the longest, then I bought a 4 series with my 1st runflats, hit a pothole the 1st week of owning the car and blew out my Runflats, had a spare tire from my previous bmw put it on, hit another pothole within the same week and blew out my other runflat, have not bought any runflats since

[underdog]

I had hit a big ass pothole on the highway which was right on the lane marker so there was no way to dodge, tire was at 0 psi instantly. That tire already had a bubble previously but I hadn’t had the chance to replace it yet. I was driving on it 50 mph and my home was only 15 mi away, but I had the temperature reading turned on as well. My tire had reached up to 130° and I pulled over, and it was super hot to the touch. The rim was already bent as well and the sidewall cord was exposed. I couldn’t find anything on if it was dangerous to drive at that high of a temperature, so I called roadside and had my vehicle towed to the nearest dealership.

[remythemaltipoo]

I drove 40 mi. on failed runflat at 40mph. in my 328i, tire started flopping last 10 miles. When I got home, inner sidewall of tire had virtually separated from the tread entirely. I replaced all four tires with standard go flats, I will take my chances with some stop leak next time. Runflats are not worth the vast increase in cost over standard tires. Get a AAA membership and just have the car towed home, much cheaper.

[socalmrt]

After like a week of owning my 2022 M340i, I managed to get a nail on the right front tire and somehow a bolt in the rear driver side tire at the same time. My luck. Let’s just say, it was an expensive experience. Somehow, almost every time I buy a new car, this happens within weeks of ownership.

[CadillacCentral]

Drive 35 miles in a mountain terrain on a ripped run flat with 6psi at 15moh or less. Made it to the tire shop, it is possible.

[billsawyer]

NEVER... Mine were taken off with in a week. 2am on I95 on a holiday weekend, 300 miles from home. Now what do you do? I will keep my new spare

[jeromecampbell]

I've been lucky with tires for the longest, then I bought a 4 series with my 1st runflats, hit a pothole the 1st week of owning the car and blew out my Runflats, haven't bought runflats since