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      02-26-2011, 08:39 PM   #7
drburton
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Drives: e92 M3 Alpine
Join Date: Feb 2008
Location: Minneapolis

iTrader: (3)

The 30 or 35 represents the sidewall height as a percentage of the tires width. So a 275/35 is taller than the stock 265/35. A 275/30 is significantly shorter. A 295/30 would be very close to stock height.

There are calculators that will tell you the exact change is height as a percentage. I use th 1010tires.com calculator.