03-31-2013, 04:47 AM | #1 |
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Are OE runflats BMW specific?
Its a bank holiday weekend and just picked up a nail - typical! Still undecided whether to have a repair or replacment, as haven't driven with the tyre flat - it's still showing 25psi...
However, I can't seem to find a definitive answer as to whether the OE tyres on my 120d Sport (225/45/17 Bridgestone S001's) should be a specific BMW rated tyre or a regular tyre. I found some reference to a 'star' marking, but not sure what that is. Any wisdom gratefully received. |
03-31-2013, 05:08 AM | #2 |
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If the nail is in not near the sidewall of the tyre, I would try a repair. Even if it should fail, you will still be rather safe since it is a run flat tire.
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03-31-2013, 05:39 AM | #4 | |
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Can we follow this solution/procedure for RFTs too? |
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03-31-2013, 09:40 AM | #6 | |
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I don't think it would be a different procedure for RFT tires. |
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03-31-2013, 10:55 AM | #7 |
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This morning I discussed about RFT tyres with a guy that works in a tyre shop. He said that they never repair RFT even with just a nail in it.
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03-31-2013, 10:57 AM | #8 |
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03-31-2013, 11:07 AM | #9 |
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03-31-2013, 11:50 AM | #10 |
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My father had a nail in a RFT tyre on his X5 and it was fixed. Had the tyres for another 2 years and there were no problems at all.
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03-31-2013, 01:08 PM | #11 |
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I had a nail in a RFT and had it successfully repaired, the fitter said that it's the same as a conventional tyre i.e. the puncture must not be at the edge. To ensure that the tyre did not sustain any damage prior to the repair I inflated it back to normal pressure as soon as the warning light came on.
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04-01-2013, 01:28 AM | #13 | ||
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Drives: 116i (F20) Auto
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Otherwise, the RFT tyres can be repaired as any normal tyre, as long as te sedewalls are NOT damaged, i.e. the RFT functionality is not lost. My local tyre shop (who is a friend of mine), showed my the repeair instruction for RFT tyres that they had from Continental...it was a step-by-step process on how to identify if the tyre was still a RFT one (i.e. the sedewalls were OK) and how to repair it.
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2011- : BMW 116i (F20)
2009-11: BMW Z4 2.5si (E85) 2007-09: Mini Cooper S (R56) 2005-07: BMW 325ti (E46) 2004-05: BMW 318i (E36) |
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04-03-2013, 12:24 PM | #14 |
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OEM tyres not guarantee only the speed and weight index, but these are marked with a paint spot on sidewall too in order to demonstrate that the tyre past the uniformity limits (forces and geometry) agreed in accordance with BMW for each model
Of course there is a special compound for each tyre after the outdoor testing was completed (indoor too)! |
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04-03-2013, 12:56 PM | #15 |
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04-03-2013, 07:36 PM | #16 |
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My kit is from the Norwegian store Biltema, but the ones I have tried before were from Würth. Mine looks something like this (it is actually meant for motorcycles):
The price is less than €30. |
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