Run Flats advice!

M

MCME17

New member
 South Wales/Glos
Sorry guys if this has been debated before.

I am wary about replacing the rear run flats with standard tyres but cost at the moment is a major factor.....
Will this cause handling problems, etc, etc as I read in a publication recently?

Cheers :)
 
From what I have read some people have done it and reported noproblems. However some people said they didn't have confidence in it.

IMHO I would be tempted to wait and save up to do all at once.. only if you NEED to change a tyre then I would change 2... obviously 2 on same axle.

I switched to Goodyear F1's and have never looked back.
 
According to the revered Tetchmeister, he swapped the fronts for non-RFT tyres of the same make and pattern as the RFT's on the rear and he is very happy with the results.
 
Thanks for thoughts guys, any more appreciated especially from anybody who's done this. If i did buy RFTs where do you recommend thats cheap at the mo?

BTW Probably a daft question but why would I need to inform the insurance co? No spare?

Thanks
 
Apparently you need to inform the insurance just in case they get funny in the event of a claim.. i.e. problem caused by incorrect tyres.. not sure anyone has actually had a problem, but most people report their premium doesnt go up from telling them , so you may as well.

I got mine at ATS... I got them to price match blackcircles.com
 
MCME17 just my own opinion and no real science to it, but there's no way I would have RFTs on one axle and normal tyres on the other, only 4 of one or 4 of the other.
 
In general, you shouldn't replace only 2 tires. You should always change all 4 tires at once.

This is just stuff that you're told though, and I'm not sure if it's of any value or just a line to sell more tires.
 
And if you do have to change only 2 tires, always change the rear ones (I've been trying to find the video that demonstrates why, but I can't seem to find it).
 
I remember seeing that video - it showed the rear end coming around on the front when the front had grip and the rear didn't.

I was thinking that swapping out the fronts would help level out some of the understeer ours cars can have, but that video certainly changed my mind in a hurry. I am afraid I didn't bookmark it and I don't recall which forum it was on either.
 
Might have been, but if I recall correctly they demo'ed the effect with their own tires.
 
spokey said:
According to the revered Tetchmeister, he swapped the fronts for non-RFT tyres of the same make and pattern as the RFT's on the rear and he is very happy with the results.
Click to expand...

Not quite true, I replaced the Front RFT's with Eagle F1's, so different tyre type, and different tread pattern.
Never had any problems, and improved the handling no end.

I can only imagine that for the video the car had shot rear tyres which were aquaplaning. (my advice, never use shot tyres..) and when the tyres were swapped to the front the car would never be able to stop.

Surely on a rear wheel drive, the driving tyres will always lose grip on a bend in the wet before the fronts, thats the nature of the car.
 
I guess it's easier for us to do since our rear tires run down faster anyways. Still, given that BMW says we shouldn't rotate our tires, this is gonna become an issue for a lot of us.
 
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