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Is this normal tire wear?

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Old 10-31-2009, 04:49 PM
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I was changing out my summers today and discovered the rear tires are shot!

Is this an issue with the manufactory (Dunlop), an issue with the run flat tires, an issue with my e60 545 or is this normal?

As you can see, this issue issue is only with rear tires, and the wear is only on the inside of both tires ...
Attached Thumbnails Is this normal tire wear?-img_0358.jpg   Is this normal tire wear?-img_0356.jpg   Is this normal tire wear?-img_0354.jpg   Is this normal tire wear?-img_0354.jpg   Is this normal tire wear?-img_0355.jpg  

Is this normal tire wear?-img_0357.jpg  
Old 10-31-2009, 04:51 PM
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Good lord. My OEM non-RFT rear summer Contis wore evenly and I wore them down a lot. I wonder if you have an alignment problem.
Old 10-31-2009, 04:53 PM
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They are really shot!! Not unusual for BMW independent rear suspensions to wear tires on the inside like yours. I also suspect your tire pressures were lower than recommended. They certainly ran to the cords and you're lucky they didn't blow out! My recommendation is you inspect your tires more frequently - across the entire tread width and monitor your tire pressures monthly
Old 10-31-2009, 04:58 PM
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Due to the aggressive stance of the BMW, especially those
with the staggered tire set-up, the tire normally wears out
more on the inside. Looks like you should have been checking
your tires more often tho.

But as some suggested, it doesn't hurt to ensure that your
car has been properly aligned and inflated to the right PSI.
Old 10-31-2009, 05:01 PM
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Originally Posted by mrfva' post='1044402' date='Oct 31 2009, 08:58 PM
Due to the aggressive stance of the BMW, especially those
with the staggered tire set-up, the tire normally wears out
more on the inside. Looks like you should have been checking
your tires more often tho.

But as some suggested, it doesn't hurt to ensure that your
car has been properly aligned.
That is one scary picture. I know that the inside rear wears faster but it really seemed to wear a lot faster here. I am surpirsed that these tires did not blow.
Old 10-31-2009, 05:03 PM
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Most of my driving was highway ... heading to the golf course with 3 or 4 guys / clubs in the car.

I did check the pressure monthly, 32 psi, perhaps that's not current.

These tires had 35,000 km's on them.
Old 10-31-2009, 05:03 PM
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ummm.... how many miles on those things?
Perhaps I may think differently if they have 3k miles compared to 30k.
Old 10-31-2009, 05:03 PM
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You've got at least another 10K miles on those tires....no worries.
Old 10-31-2009, 05:09 PM
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Originally Posted by DrLev99' post='1044408' date='Oct 31 2009, 07:03 PM
You've got at least another 10K miles on those tires....no worries.


I heard the steal adds grip on ice/snow
Old 10-31-2009, 05:11 PM
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Originally Posted by Canada545' post='1044406' date='Oct 31 2009, 09:03 PM
Most of my driving was highway ... heading to the golf course with 3 or 4 guys / clubs in the car.

I did check the pressure monthly, 32 psi, perhaps that's not current.

These tires had 35,000 km's on them.
Well, 35,000 kilometers is 21,747 miles. That is a decent tire life for summer performance tires. I believe that you got that much because you did largely highway driving. As far as pressure goes, for my summer tires, I follow the BMW recommended PSI which for the 550i Sport with staggered setup is 36 PSI front and 44 PSI rear. 32 PSI seems quite low but I know nothing about what pressure RFTs should be inflated to. Look at this as a golden opportunity to ditch the numbflats for the much more comfortable non-RFT tires.


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