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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > runflat wear



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      10-05-2009, 07:53 AM   #23
- Paul -
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Just got back from the dealer re mine and they said that all was ok with the car, but if I wanted an alignment done it would cost me £200ish. They also said that its down to the pressures being wrong at some point. Mine was checked and were exactly as BMW suggest.

So I can either chase my supplying dealer for new tyre/alignment or just pump a little more pressure in and hope for the best?
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      10-05-2009, 08:06 AM   #24
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Quote:
Originally Posted by ed335d View Post
I had inside wear on rear RFT's which was picked up by the dealer on my 18k oil change.

They recommended that they needed 'urgent attention' (of course). I was also advised to run 0.2 bar over the recommended figures, as inside wear was often associated with a combination of under-inflation and the agressive set-up

I ran the rears for another 6k miles, keeping a close eye on the wear and regularly checking pressures. The insides barely wore any further, with a more noticeable wear-spread across the whole tyre. At no point was I down to cord.

Changed the whole set to non-RFT's at 24k miles and do not regret it one bit.
Good advice. I am going to now run my 225s on 2.4 front and 2.6 rear would you agree??
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      10-05-2009, 09:58 AM   #25
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Quote:
Originally Posted by JLR1969 View Post
Good advice. I am going to now run my 225s on 2.4 front and 2.6 rear would you agree??
No I wouldn't!

If you're running staggered 19'' with 255's and 225's:

According to the guide inside the door plate, 19'' rear 255 rears should be 2.8 bar and 225 fronts should be 2.6, so you'd need to run 3.0 and 2.8

Those are for two person loads.

Just realised, did you mean 225 style wheels or 225 width tyres all round?
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Last edited by ed335d; 10-05-2009 at 10:12 AM.. Reason: Second thoughts
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