View Single Post
      11-12-2012, 12:41 PM   #15
Tim603's Avatar
Drives: 2007 328xi coupe
Join Date: Feb 2012
Location: Manchester Nh

Posts: 883
iTrader: (2)

Originally Posted by PSUSMU View Post
Original Tires Diameter (in.) 25.09
New Tires Diameter (in.) 25.3
Difference in diameter (in.) 0.217
Percent Difference % 0.856
I believe it has to do with the circumference. The Rear tires circumference and the Front tires circumference and the difference between the two. Your original tires are irrelevant
Tim603 is offline   United_States
Reply With Quote