Runflat Tyres - Page 2 - Alfa Romeo Forum
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Its the Dunlop Denovo system that David is thinking off. special wheels with caspules fixed to the rim that broke if the tyre went flat releasing something that sealed the hole and pumped the tyre up!

It didn't take off :-)
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Originally Posted by gazza82 View Post
Maybe that's because I've only spoken to beemer owners about them. Sounds like they pay a lot more for alloys for run flats than same for normal tyres.
Perhaps they are buying (used) rims including pressure monitoring valves in them, which would explain the higher price...
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Our E92 on run flats was fine, never had an issue with ride, it was supple and well controlled
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As mentioned already, you shouldn't put runflats on a car that doesn't have the monitoring system.

What if you get a puncture ? You won't know until the tyre shreds and throws you into a motorway barrier at high speed. The runflat part is a limited speed and range thing to allow you to get to a tyre place to have the tyre changed.

And they are also not that reliable. Our 60 plate 5 series has went through 4 rears. The tyres have basically developed big holes in the sidewall. Thankfully it's a company car.
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Tbh as well runflats on cars not designed for them are truly awful an handle badly (early few years bm used them everyone changed them out).

Once later models came along with suspension designed from ground up to handle them, not just tweaked, they were much better.

However like early bm the 156 doesn't have suspension designed for them (or even tweaked) so you need to change them out asap. Run flats are like a space saver so unless you want to risk driving hard on twisteies without even knowing one is flat.... You may say it's your risk but it's a big risk and tbh why ruin your handling, phone place up and say they handle like pants an see if they can swap em for something else.


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runflat , tyres

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