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      01-11-2018, 03:01 PM   #1
yeg440i
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Vossen Wheels Help

hey guys,

I saw Vossen's huge sale & decided I should cash in on some summer wheels. However, my car is xDrive, & it's causing me a headache finding new wheels & tires. I know the tires must be within a 1% rolling diameter of each other to keep xDrive happy. This is what I've gathered so far.

Stock Setup:
225/40/19 19x8 (+36 offset)
255/35/19 19x8.5 (+47 offset)
Rolling Diameter Difference: 0.4%

New Setup:
235/35/20 20x9 (???)
275/30/20 20x9.5 (???)
Rolling Diameter Difference: 0%-0.1%

Through other posters' setups, I know this setup will fit as my car is on stock M adaptive suspension. I have also settled on Michelin Pilot Sport 4s' as my summer tire.
My question: how much can I fiddle with the offset? Should I keep stock offsets? Can I change offsets as long as they are relative to each other? I would prefer to avoid spacers & just get the best fitment possible while keeping it stock.

Any help greatly appreciated!!!

Last edited by yeg440i; 01-11-2018 at 03:20 PM.
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      01-11-2018, 04:10 PM   #2
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Quote:
Originally Posted by kodykohlman View Post
hey guys,
I saw Vossen's huge sale & decided I should cash in on some summer wheels. However, my car is xDrive, & it's causing me a headache finding new wheels & tires. I know the tires must be within a 1% rolling diameter of each other to keep xDrive happy. This is what I've gathered so far.
Stock Setup:
225/40/19 19x8 (+36 offset)
255/35/19 19x8.5 (+47 offset)
Rolling Diameter Difference: 0.4%
New Setup:
235/35/20 20x9 (???)
275/30/20 20x9.5 (???)
Rolling Diameter Difference: 0%-0.1%
Through other posters' setups, I know this setup will fit as my car is on stock M adaptive suspension. I have also settled on Michelin Pilot Sport 4s' as my summer tire.
My question: how much can I fiddle with the offset? Should I keep stock offsets? Can I change offsets as long as they are relative to each other? I would prefer to avoid spacers & just get the best fitment possible while keeping it stock.
Any help greatly appreciated!!!
it appears you'll have to do 20x9 +35, 20x10 +45, although 235 is a bit of a stretch (20mm) on 9", the tire sizes are same diameter so it'll work out perfect...
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      01-11-2018, 05:56 PM   #3
yeg440i
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sweet thanks for the help!!
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