03-24-2024, 09:54 PM | #1 |
New Member
10
Rep 16
Posts
Drives: 2007 BMW X5
Join Date: Apr 2011
Location: Fort Lee NJ
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Am I missing something here....
I have a 2021 m340 xdrive with adaptive suspension stock height with mp brakes. I'm going from 19's to 20's this spring with 9 in the front et25 and 10.5rear et 45. I used the tire size calculator and found the ideal size for xdrive is 235 35 and 285 30 but after doing extensive research on this forum I don't find anyone running this setup. Most members are running 245 35 and 275 30. My calculations fall within the 1% rule and is actually exactly 0% with exact readings on the tach so I'm just wondering if someone can double check ✔️ my calcs or tell me why no one is running this setup?
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03-25-2024, 09:38 PM | #2 | |
Private First Class
132
Rep 100
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Quote:
245/35 and 275/30 looks like a RWD fitment. Maybe consider 245/35 and 285/30 or square setup? |
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Appreciate
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