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Re: Tire Issues (archive)
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Posted by Jim@tirerack.com on January 11, 2001 at 07:56:33:

In Reply to: Tire Issues posted by Marc on January 10, 2001 at 16:00:29:


My 2000 540i/6 with the OEM Dunlop SP2000 tires has 16K miles, almost all highway miles, but with two track schools. The wear on the front tires is plainly greater on the outside portion of their tread, but a good amount of tread remains at each wear bar.

I started this morning with a flat tire (front/right), so I put on the unused spare and went searching for a shop to inspect and fix the flat. The first shop wouldn't touch a Z-rated tire. Bogus? The second shop would agree in principle to patch a Z-rated tire, but wouldn't touch mine because of the outside edge wear. (Of course, this clown checked the new spare and pronounced it just O.K.)

I know that I could spend the day going tire shop to tire shop, but I'd like some advice as to whether a tire ought to be replaced simply because there is more wear on one side than the other. The uneven wearing will certainly effect the lifetime of the tire since an outside edge wear bar will be exposed before the others.

Also, with tire roll, the insubstantial tread on the shoulder of tire will wear, but there aren't any wear bars there. How do you determine when that tread is worn out?

Thanks for your help.

Marc


We have some installers listed on our web site that may be able to help you with the flat tire. As far as the outside shoulder wear it is probably due to the track time. You could dismount the tires and switch the sides to even out the wear some but if the tread reaches the wear bar on the outside shoulder, even if there is tread on the middle they are shot. They can plug and patch a Z speed rated tire but it will not retain the Z speed rating after it is fixed. It is still fine to use in everyday driving but I would not put it on the track.
If I can help with anything, give me a call. Thank you Jim
800-428-8355-364

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