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      01-07-2021, 11:37 AM   #403
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Drives: Built not Bought 04 Z4 VF
Join Date: Feb 2013
Location: Kitchener Ontario Canada

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Quote:
Originally Posted by KLEETIS View Post
I also read all the threads but still unable to figure out if stock wheels Width on my 2008si Sport packge wheels are front 18"X 8.5" ? and the Back 18"X 9.5" ?
Can I change the front tires 225/40R18 to 235/40R18 without rubbing??? and can I change the rear tires 255/35R18 to 265/35R18 without rubbing??? This is why I'm asking the rim width so not to pull the side walls in. I thought this would be easier to figure out using the tire size calculator they seem to me they will fit without rubbing but not really sure. Has anyone done this?
Any help would be apprecated!

Attachment 2499718
Put the last 7 digits of your vin here https://www.realoem.com/bmw/enUS/select

It will tell you the rim style, diameter, width and offset of your stock wheels.

I ran the same tire sizes on the same width rims that you are noting. Albeit with different and more aggressive(wheel pushed outward) offsets to stock.
Lowered 1"
I did not experience rubbing.
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