Quote:
Originally Posted by Hullbilly
My maths is really letting me down today. Would 18x8 ET29 on the front and 18x8.5 ET40 work on a standard Z4? I’m really confusing myself with the offsets...
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Assuming your car is an E85/86 2003-2008.
By my calcs you will be recessed from the fender lip approx 6mm in front and 16mm in back
https://www.1010tires.com/Tools/Whee...et-Calculator#
My Apex set of 8.5 et 35 fr and 9 et 30 is 6mm recessed in front and flush to fender lip out back