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      08-30-2013, 07:24 AM   #2
c_ozanich
Mech Engr
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Drives: 2011 135i 6MT
Join Date: Sep 2012
Location: Aiken SC

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1 inch = 25.4 mm, so 0.5 inch = 12.7 mm

12.7mm - 4mm = 8.7mm

8.7mm/25.4mm = 0.3425" difference in wheel1 compared to wheel2
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