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      02-17-2014, 05:54 AM   #5
jhbrennan
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Drives: 2012 E92 M3
Join Date: Dec 2013
Location: Austin

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Quote:
Originally Posted by mkPOTO View Post
thanks slicer, I am aware of that but saw past threads where some 18s barely clear the caliper. but I might be looking into it wrong. Thanks
You asked about diameter and received the correct answer (18 in) - now you need to learn about wheel offset - try here:

http://www.1010tires.com/Tools/Wheel-Offset-Calculator
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