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Yes, our run-flats work!

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Old Nov 23, 2015 | 09:12 AM
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Default Yes, our run-flats work!

Unfortunately, I found this out.



I hit a wicked pothole in the construction on I-35E southbound heading into Dallas Saturday morning; the impact was BAD. Dash started going crazy with TPMS alarms and lights, pulled off at the next exit and found this tire destruction. Luckily they're the OEM PSS run-flats so I was able to drive the car about 20 miles to my dealership and drop it off with them. The hunt for tires was on. Sunday I got in touch with a fellow forum member in the DFW area with a set of 2016 stock take-offs that had only 9 miles on them so I scooped them up, and will be bringing them up to the dealership later today. At the minimum, the wheel paint is scuffed but the dealership is going to have their bodyshop try buffing it out before sending it off for refinishing. Really hoping the wheels spins true and they don't find any further suspension damage upon inspection. They are also going to check the alignment and adjust if necessary.

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Old Nov 23, 2015 | 09:40 AM
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Good to know. Glad it was not worst for you. Should be as good as new soon....
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Old Nov 23, 2015 | 11:15 AM
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Even with a complete sidewall destruction they still worked, good to know
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Old Nov 23, 2015 | 11:25 AM
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Originally Posted by HighTeq
Even with a complete sidewall destruction they still worked, good to know
Color me impressed too. I drove for about 20 miles @ 70 MPH to the dealership and it drove decently with only minimal vibration. I probably should have taken the slower side streets, but wanted the most direct route to get the car in ASAP.

Last edited by Kracka; Nov 23, 2015 at 11:26 AM.
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Old Nov 23, 2015 | 11:37 AM
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They work, plus they often save the wheel, driving on a regular tire thats flat for a very short distance and you can add a wheel to the expense as well.

Around here you dont want to be trying to plug/fixaflat and air up a tire on a 55mph two lane highway with curves, blindspots from hills and no shoulder.

They are noisy and a PITA to mount but I'll keep my runflats.

Last edited by kp; Nov 23, 2015 at 11:37 AM.
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Old Nov 23, 2015 | 11:44 AM
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Originally Posted by HighTeq
Even with a complete sidewall destruction they still worked, good to know
That must have been one huge pothole.
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Old Nov 23, 2015 | 01:40 PM
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Good luck with the repairs. Hopefully the wheel can be salvaged and there is no suspension damage. Reassuring to know that the run-flats have some redeeming value given the noise and ride tradeoffs.
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Old Nov 23, 2015 | 03:50 PM
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There must be really stiff sidewalls in our runflats. Imagine hitting that pothole with a non run flat with a compressor and can of goo and a plug kit. You are stuck waiting for a tow and the subsequent hassle getting home if off hours.
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Old Nov 23, 2015 | 03:59 PM
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Is that a Z-51 rim ? Z-51 are Forged according to Tadge, so i'm wondering if there is RIM Damage, how repairable are they.
ALSO check for alignment, and even supension components, all unfortunately out of pocket unless you can get your municipality/jurisdiction to pay for it... negligence in properly maintianing roads.... sometimes it will fly... sometimes not....
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Old Nov 23, 2015 | 04:26 PM
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Originally Posted by Corgidog1
There must be really stiff sidewalls in our runflats. Imagine hitting that pothole with a non run flat with a compressor and can of goo and a plug kit. You are stuck waiting for a tow and the subsequent hassle getting home if off hours.
It's really hard to say what would have happened with a non-runflat. I think the tire split because of the really stiff sidewall of the runflat. A more flexible sidewall may have actually cushioned the shock more and may not have caused any damage. Or may have damaged the wheel so badly that it wouldn't hold pressure.

Personally with the advances that Michelin has made with runflats to make a soft riding, quiet tire, I prefer them.
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Old Nov 24, 2015 | 08:27 AM
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Originally Posted by DickieDoo
Is that a Z-51 rim ? Z-51 are Forged according to Tadge, so i'm wondering if there is RIM Damage, how repairable are they.
ALSO check for alignment, and even supension components, all unfortunately out of pocket unless you can get your municipality/jurisdiction to pay for it... negligence in properly maintianing roads.... sometimes it will fly... sometimes not....
2014 Z51 w/20k miles on the OEM tires. The dealership has my replacement front set of tires and is in the process of inspecting everything, including the alignment. I'll report back with their findings...which I hope to have today.
Originally Posted by Walt White Coupe
ersonally with the advances that Michelin has made with runflats to make a soft riding, quiet tire, I prefer them.
I agree. I have been impressed with the tires and think they are likely the best tires I've ever owned for a street car. When this happened, I immediately knew I wanted to replace them with another set of the same.

Last edited by Kracka; Nov 24, 2015 at 08:27 AM.
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Old Nov 24, 2015 | 10:23 AM
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A screw caught my right front tire while I was cruising at 80 mph -- on the way to the dealership for a minor fix. Didn't even notice zero tire pressure until I pulled in to the dealership, about 2 miles away. The tires work as advertised.
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Old Nov 24, 2015 | 04:55 PM
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Unfortunately, the wheel is slightly bent (supposedly forged wheels are unrepairable I'm told) and it needed an alignment to bring it back within spec (got knocked just barely out). The good news is the suspension is undamaged and the wheel/tire took a good balance. With a replacement wheel being ~$700, plus the tire, alignment, etc. I may file an insurance claim. My agent thinks it shouldn't have much effect on my premiums, but I'm still debating if it's worth risking it over a "minor" incident in the scheme of things.

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Old Nov 24, 2015 | 05:00 PM
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Where was the pothole, call DOT and report it, they should keep roads safe
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Old Nov 24, 2015 | 05:05 PM
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Originally Posted by sycraft
Where was the pothole
I-35E, southbound, Dallas, left lane, just south of 635.

Last edited by Kracka; Nov 24, 2015 at 05:05 PM.
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Old Nov 24, 2015 | 05:25 PM
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If the wheel and tire took a good balance....
And you are still going to drive on I-35E....
How did the blemish on the wheel turn out?
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Old Nov 24, 2015 | 06:32 PM
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My right front deflated to 0 psi when my valve stem came loose. I drove for 25 miles at 60 mph with no problem. Run Flats really work!
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Old Nov 24, 2015 | 07:39 PM
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Originally Posted by U 4 E A
And you are still going to drive on I-35E....
How did the blemish on the wheel turn out?
In the Volt or Cruze, sure, but I'll avoid the area with the Vette whenever possible!

The scuff buffed right out actually so at initial glace the wheel appears perfect.

Last edited by Kracka; Nov 24, 2015 at 07:39 PM.
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Old Nov 24, 2015 | 09:40 PM
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Originally Posted by Kracka
Unfortunately, I found this out.



I hit a wicked pothole in the construction on I-35E southbound heading into Dallas Saturday morning; the impact was BAD. Dash started going crazy with TPMS alarms and lights, pulled off at the next exit and found this tire destruction. Luckily they're the OEM PSS run-flats so I was able to drive the car about 20 miles to my dealership and drop it off with them. The hunt for tires was on. Sunday I got in touch with a fellow forum member in the DFW area with a set of 2016 stock take-offs that had only 9 miles on them so I scooped them up, and will be bringing them up to the dealership later today. At the minimum, the wheel paint is scuffed but the dealership is going to have their bodyshop try buffing it out before sending it off for refinishing. Really hoping the wheels spins true and they don't find any further suspension damage upon inspection. They are also going to check the alignment and adjust if necessary.
I feel your pain. I have a similar picture where a three-inch chunk of the bead is missing after a 30 mile drive.

I've had non RFs, but I have also had enough go wrong in some bad places to not use non-RFs ever again. But then again, I drive more, and further away that the vast majority of the posters here.
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Old Nov 25, 2015 | 09:14 AM
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Originally Posted by owc6
I've had non RFs, but I have also had enough go wrong in some bad places to not use non-RFs ever again. But then again, I drive more, and further away that the vast majority of the posters here.
I'm with you there. 20k miles in a year and a half, most of which are vacations, roadtrips, and cruises. Not bad for a car that sits in the garage during the work week

Last edited by Kracka; Nov 25, 2015 at 09:14 AM.
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