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      01-08-2020, 06:32 PM   #9
brad850csi
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Drives: 16 F13 M6 Comp
Join Date: Jan 2015
Location: Auckland, New Zealand

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Quote:
Originally Posted by dyefremov View Post
Thanks for the quick reply! Based on what you said here and in the other thread there is plenty of room both inside and outside. I am wondering why 10" front is not the standard M6 fitment for aftermarket wheels? That would allow a wider range of tire options from stock 265 up to 285.

I really like the style (and price) of HRE FF15, but they don't come in a perfect size for M6. What I want to do is run 20x10 ET40 with a 10mm spacer front and 20x10.5 ET26 with a 10mm spacer rear. Based on your experiments and my math that should clear both inside and outside with enough margin. What do you think?
This was about the biggest list of FF15 sizes I could find. https://www.ravspec.com/shop/hre-ff15

I'd be tempted to go with 20x10 33mm with no spacer as the top edge of the tyre will still be 3mm further out with a 275/35r20 than the stock 31mm offset wheels with a 265/35r20 tyre. However the 20x10" 40mm option would give you the ability to run a 10, 12, 15mm bolt on spacer to get the fitment where you want it to be.

Based on my rear fitment, you could do the same sort of thing with the rear and go with a bunch of different spacer options. Honestly I'd probably say buy a pair of 10mm and 15mm with those offsets and try each spacer size at the front and the rear and see how you think things look best.

There are a few threads about with people running 10mm to 15mm spacers on stock wheels which might make you think you could go with slightly larger spacers than 10mm with those offsets. Just do a search for spacer or spacers and you should find plenty of pics.
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