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      04-25-2025, 10:36 AM   #5
mkeiser
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Drives: e82 128i 6mt m sport
Join Date: Jan 2022
Location: Minneapolis, MN

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Quote:
Originally Posted by p4tr1ck2005 View Post
Alright thanks for the link I suppose .

Well I knew how tyre sizing works maybe forget about that . I just can’t understand why the wheel measures 18.5” and when u google it there is no such thing . Just 17”

Photos below. Start of tape is broken so that’s why I started at 1ft . 6.5” past 2ft means it’s 18.5”diameter. (And I haven’t messed up that measurement , if I did it would be shorter anyway. )
ah, the functional diameter is measured inside the wheel barrel. the face of the wheel is a bit larger

your wheels are 17" and your tires confirm this since the third number is 17 as well
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