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      01-11-2013, 04:11 PM   #2
ajsalida
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Drives: 95 M3, 02 R1150GSA, 09 335xi
Join Date: Aug 2010
Location: SW USA

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How in the world do you get 4-5% difference? Strictly speaking the diff should be less than 1% under any circumstances F/R or side/side or any combo thereof due to original size or wear.

IIRC (I looked this up in the owners manual once a long time ago) they say replace tires on a given axle in pairs if one goes flat an the other is worn to more than 1% difference of the new one. I am sure someone will jump in and say I am full of shit but I do remember something like that in there.
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