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      12-07-2018, 09:26 AM   #7
flaury23
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Drives: 2014 M5
Join Date: Nov 2017
Location: NC

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Originally Posted by Miko M View Post
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Originally Posted by flaury23 View Post
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Originally Posted by Miko M View Post
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Originally Posted by flaury23 View Post
What is the widest tires we can put on the non competition rims? I'm considering 305s for the rear.
What would be the front?

If you put 305 on the back the front needs to be 295 to be within 1.3% Circum.

But 295 needs to be on 10" rim and your's are 9.5"

You can put 285 front and 305 back on stock rims and that will push it up to 1.8%

Some people are ok with 1.8%
I prefer to be 1.3 or less
305/30/20?
You can put 305/30/[COLOR="Blue"]20[/COLOR] but you need 285/35/[COLOR="Blue"]19[/COLOR]up front. That would work and it's 1.1%
You still need to switch the front rims one size down in diameter
Is there a 305/30/20 scenario that would allow a 20" tire in the front?

I'm trying to achieve maximum traction (using Mp4s) but stay in the acceptable xdrive tolerance.
Appreciate 0