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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 01-28-2014, 11:22 PM
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sptt144 sptt144 is offline
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Run Flat sidewall separating

I just noticed today that the front left sidewall on my run flat appears to be separating from itself. The outside of the tire in the same area has cracks as well. The tires have about 20K on them. I just barely caught this as I was cleaning my wheels and the cut (looks like a cut) was on the bottom looking up at me. Would this be considered a manufacturer defect or will I get the wear and tear story if I take it in? To me, it looks like a defect in the tire but maybe someone else has had a similar issue?
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  #2  
Old 01-29-2014, 06:11 AM
bemwww bemwww is offline
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after 20k? Dont these last like 30k?

Google the brand/make of the tire, see if people are experiencing troubles. The reviews i am sure will dictate that
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  #3  
Old 01-29-2014, 06:13 AM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by sptt144 View Post
I just noticed today that the front left sidewall on my run flat appears to be separating from itself. The outside of the tire in the same area has cracks as well. The tires have about 20K on them. I just barely caught this as I was cleaning my wheels and the cut (looks like a cut) was on the bottom looking up at me. Would this be considered a manufacturer defect or will I get the wear and tear story if I take it in? To me, it looks like a defect in the tire but maybe someone else has had a similar issue?

Well, I'd complain to BMWNA and the manufacturer.

Even better, Michelin PSS - the the TireRack web site without delay.
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Old 01-29-2014, 07:15 AM
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laser laser is offline
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What tire manufacturer?

What does their warranty say?
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Old 01-29-2014, 08:00 AM
fdriller9 fdriller9 is offline
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Is there wheel damage? Small nick or gouge where the sidewall damage is?

You could have hit/nudged a curb or ran over a rock, pothole etc.

Doing any of the above, has the potential for sidewall damage.
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Old 01-29-2014, 08:37 AM
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Any pictures of the damage?
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Old 01-29-2014, 08:41 AM
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BigCo540i BigCo540i is offline
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RF's will de laminate if you drove on them too long while under inflated....
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Old 01-29-2014, 09:11 AM
Miller335 Miller335 is offline
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Have you taken off the wheel/tire from the car and fully inspected?

25K I noticed a sidewall bulge, took my fronts off of the car and noticed the inner portion of the tire was pretty much end of life.

20k and you may have other issues with the tires is all I'm saying.

Last edited by Miller335; 01-29-2014 at 09:13 AM.
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Old 01-29-2014, 01:45 PM
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carnutfan carnutfan is offline
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BMW sets up their suspension with a bit of inside camber, so you'll see wear fairly early on RF tires. I'm not a fan and doubt you'll get any love from mfr. further, many OEM tires don't cover wear, just defects.


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  #10  
Old 01-31-2014, 12:24 AM
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sptt144 sptt144 is offline
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Quote:
Originally Posted by fdriller9 View Post
Is there wheel damage? Small nick or gouge where the sidewall damage is?

You could have hit/nudged a curb or ran over a rock, pothole etc.

Doing any of the above, has the potential for sidewall damage.
There seems to be some separation on the outside where the slit is (can't explan it). I have never rubbed these tires. Maybe the car wash? I would post a pic but it won't come out very well. I can see them blaming it on me. I guess my best bet is to try and see what they will do. Tread is still very deep.
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  #11  
Old 01-31-2014, 12:26 AM
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sptt144 sptt144 is offline
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Quote:
Originally Posted by BigCo540i View Post
RF's will de laminate if you drove on them too long while under inflated....
What exactly is "delaminate"? Could be that happning. Front treads aren't even close replacing according to last dealer check.
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  #12  
Old 01-31-2014, 12:27 AM
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sptt144 sptt144 is offline
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Quote:
Originally Posted by Miller335 View Post
Have you taken off the wheel/tire from the car and fully inspected?

25K I noticed a sidewall bulge, took my fronts off of the car and noticed the inner portion of the tire was pretty much end of life.

20k and you may have other issues with the tires is all I'm saying.

Afraid that might be the deal here....thanks.
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  #13  
Old 01-31-2014, 12:30 AM
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sptt144 sptt144 is offline
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Quote:
Originally Posted by Miller335 View Post
Have you taken off the wheel/tire from the car and fully inspected?

25K I noticed a sidewall bulge, took my fronts off of the car and noticed the inner portion of the tire was pretty much end of life.

20k and you may have other issues with the tires is all I'm saying.
That is the vote of non-confidence I am expecting. Planning on replacing with NRFTS like I did on the rears. I saw the sidewall thickness on the rears when they were off and realized why the ride was so stiff. Fronts are still RFTs but have lots of tread left.
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  #14  
Old 01-31-2014, 03:41 AM
hondo402000 hondo402000 is offline
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The tire dealer should be able to tell if you drove on it with out air for a long time. The inside will be destroyed
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