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      02-21-2025, 11:38 AM   #2
BOHJO
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Drives: 2023 M8C Gran Coupe
Join Date: Nov 2020
Location: Toronto

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Hey, I'm wondering why you went with that sized setup? I see that those parameters result in a less than 1% rolling difference between front and back, but it does result in ~ 3% speedo error compared with OEM. Others who have upsized have gone with 285/30/21 on a 10.5" wheel and 305/30/21 on a 11.5" wheel which is only -0.55% and -1.24% off of OEM. Was that something you considered? Or was it that you really wanted the 325 series tires?
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