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      01-12-2013, 07:42 PM   #15
bimmer Don
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Drives: 2012 135i m sport
Join Date: Sep 2012
Location: san berdardino

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No each tire brand sets it it self. Tread rating will give you a idea but its different from brand to brand. Also a common mistake. Of using tread wear to see how much grip a tire had is wrong take the pss fir example. It's a 300 tread rating but grips damn there is hard as 140 tread rating tires and nothing with a 300 rating comes close to its grip