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      03-24-2013, 02:04 PM   #4
HotRodW
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Drives: 2013 X1 xDrive28i M Sport
Join Date: Sep 2012
Location: Southwest Michigan

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Quote:
Originally Posted by Grovsnus View Post
It might help if you were more specific about which tires these are - there are three different speed ratings, and this not only affects the original price, but also rolling resistance and how quickly they wear.
I was aware of only two speed ratings. The tires are V-rated and classified as low rolling resistance. It looks like all versions carry the same treadwear rating, so I would guess there is very little if any difference in compounds. Below is a link to the description on tirerack.com.

https://www.tirerack.com/tires/tires...20Sport%20Line
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