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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Run Flats are off!!



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      04-06-2008, 05:00 AM   #1
scottc
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Run Flats are off!!

Hi guys,

I thought it would be a good time to get the wheels off and give them a bit of a clean turns out that when I took the rears off they were bald

Anyway 4 new tyres (non runflats) and the car if soooooooooooooooooooooooooo much better .

No more crashing over bumps, the handling is soooo much better as it does not hit bumps so hard when cornering Road noise has dropped as well infact this is the thing I noticed the most.

Got a can of tire goo and a compressor so at least I am covered if I get a minor flat.

Anyone who is not sure whether to change all I can say is that it's made the car the way it should be out of the factory and I wont be going back to the run flats

Last edited by scottc; 05-12-2008 at 02:20 AM..
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      04-06-2008, 05:36 AM   #2
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Yes mate thats the way to go.. I love the ride now with my Conti's!!!
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      04-06-2008, 05:48 AM   #3
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I've not heard one person who has gone over to non-runflats regret it yet.
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      04-06-2008, 05:55 AM   #4
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soon my pretty soooon...
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      04-06-2008, 06:31 AM   #5
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Yeah i was well chuffed with mine. Nice one Scott glad your happy!

I read in autocar this week with there long termer 135i coupe that ATS said the rims are desgined for run flats and that they would not put non runflats on their car!
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      04-06-2008, 06:44 AM   #6
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sounds like a load of tosh to me...
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      04-06-2008, 07:04 AM   #7
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The rims are in fact designed to hold RFT`s on but not to keep Non RFT`s off.
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      04-06-2008, 08:32 AM   #8
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You can use non rft on rft rims but you can't put rft on non-rft rims.
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      04-06-2008, 08:47 AM   #9
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Scottc, Interesting to see what yo uwill do if you do get a puncture.

Could you other guys that have swapped out your RFT's let us know what measures you have to get round punctures?

I have been quite happy with the RFT's on my 1 series but it was on 16's with standard suspension. Now that i amd moving to a 3 with 18's and M Sport suspension i am a little worried about ride comfort. So if somebody has a good way of getting round punctures i may consider swapping them out.
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      04-06-2008, 09:47 AM   #10
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Stephen,

A can of tire weld and a compressor same as the M Cars. Failing that call the BMW assist or the AA if they get funny.

It does make me laugh when they say that you cant fit non run flats on these rims, they are talking such a load of rubbish. The rim is an alloy wheel that needs 255 or 225 tires and thats it plain and simple. Is there some special way they make these rims?? I doubt it.
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      04-06-2008, 09:51 AM   #11
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Didnt realise that was how M cars did it.

I dont suppose M Division would want RFT's on there cars.

Cheers Scott
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      04-06-2008, 11:49 AM   #12
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Stephen, i have a can of air and latex for 6 quid!

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      04-06-2008, 12:46 PM   #13
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Aye, but the one thing we haven't heard from anyone who ditched their run-flats is how they coped with and solved the problem of a puncture - not that I want anyone to get one but if it must happen - let us know.

On a slightly different tack, I am going to get a set of 18" 189s for my car. I'm keeping the originals intact. Do I have to buy special valves for run-flats or is there something else needed for the TPWS?
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      04-06-2008, 01:18 PM   #14
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Alan, I changed wheels on my 320i and was expecting to have problems with the tire pressure sensors but the low end cars use the wheel rotation sensors and do not have the part attached to the tyre valve
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      04-06-2008, 04:25 PM   #15
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Thanks for that - that makes things easier.

Now... runflat or non-runflat. The difference in price between runflat and non run flat Pilot 2 tyres is £164 - so that's good but what about the insurance company? Will they get stroppy?
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      04-07-2008, 02:50 AM   #16
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Tyres are tyres as far as I am concerned and I dont really think the insurance company will be bothered what you put on it, I think they will be only bothered if you change your wheels.
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      04-07-2008, 03:00 AM   #17
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Interestingly, when I insured my car with them, my insurance company were quite aware there were significantly different size wheels available for the car, all that concerned them was that they were supplied by the manufacturer - oem wheels. I didn't ask about tyres though.
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      04-07-2008, 03:18 AM   #18
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Alan,

For me the pro's far outway the negatives especially when it comes to ride comfort, noise and handling but there is the issue of what happens if you get a blowout but hey every person that has a car has the same problem and even some of those don't have a spare just a can of tyre weld.
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      04-07-2008, 11:51 AM   #19
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Quote:
Originally Posted by AlanQS View Post
Thanks for that - that makes things easier.

Now... runflat or non-runflat. The difference in price between runflat and non run flat Pilot 2 tyres is £164 - so that's good but what about the insurance company? Will they get stroppy?
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Originally Posted by scottc View Post
Tyres are tyres as far as I am concerned and I dont really think the insurance company will be bothered what you put on it, I think they will be only bothered if you change your wheels.
You need to realise that insurance companies will happily reject any claim, if they think they can get away with it. Unfortunately, unsuspecting customers will only realise this when they try to make a claim, tyres involved or not, & their insurance company tells them where to go.

My advice would be to let your insurance company know, if you intend changing from run-flats to 'ordinary' tyres.

The final decision is yours.

Viv
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      04-07-2008, 11:59 AM   #20
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Quote:
Originally Posted by vivekk View Post
You need to realise that insurance companies will happily reject any claim, if they think they can get away with it. Unfortunately, unsuspecting customers will only realise this when they try to make a claim, tyres involved or not, & their insurance company tells them where to go.

My advice would be to let your insurance company know, if you intend changing from run-flats to 'ordinary' tyres.

The final decision is yours.

Viv
Very sound advice, IMHO. Don't give them the slightest chance.

I enquired with BMW UK about the warranty side of life when I was thinking of putting non-RFTs on my 1 series. They said they would decline any warranty work which could have been proved to be as a result of the tyres. Proving fault would be a bloody nightmare, so I changed the car

Anyway, I was thinking the other day, what about winter tyres? They are all non-RFT in my (admittedly limited - am I right?) knowledge, so what about the thousands of normally RFT shod BMWs in markets that use winter tyres for part of the year? BMW refuse warranty claims on them? I suspect not......

I would go for non-RFTs but as the car's on a PCP I'm going for the path of least resistance and keeping them. Don't want any warranty grief on a car that isn't technically mine
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      04-07-2008, 01:24 PM   #21
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Quote:
Originally Posted by Bumps View Post
Very sound advice, IMHO. Don't give them the slightest chance.

I enquired with BMW UK about the warranty side of life when I was thinking of putting non-RFTs on my 1 series. They said they would decline any warranty work which could have been proved to be as a result of the tyres. Proving fault would be a bloody nightmare, so I changed the car

Anyway, I was thinking the other day, what about winter tyres? They are all non-RFT in my (admittedly limited - am I right?) knowledge, so what about the thousands of normally RFT shod BMWs in markets that use winter tyres for part of the year? BMW refuse warranty claims on them? I suspect not......

I would go for non-RFTs but as the car's on a PCP I'm going for the path of least resistance and keeping them. Don't want any warranty grief on a car that isn't technically mine
You can buy RFT winter tyres. However, non-RFT ones should be much better than RFT ones. I've read that the RFT winter tyres have issues with warming up to work temperature when it's very cold outside so I've bought non-RFT winter tyres for my car, and they worked great on snow and low temperatures.

And, TBH, I've never heard of warranty problems due to use of non-RFT's, but I guess anything is possible.
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      04-07-2008, 01:56 PM   #22
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I just checked with my insurance company and they have no problem with me changing my run flat tyres to non run flats and it doesn't effect the premium. That would only happen if I was changing the tyres due to an after market wheel change.
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