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Discussion Starter #1 (Edited)
A friend of mine gave me his old set of BBS RS 007. The only problem is that its 5x120. I found a website that makes the adapters. Anyone wants to give me the specs for 4x100 to 5x120? Hub size of the car? Not too sure on how to measure the big size on the wheels.. Any help on that too?? Lmk.

Specs:
16x7 +25 offset
16x8 +25 offset
3 Piece wheels
1inch size center caps
dull gold (will restore them)
 

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If you found a good place to make the adapters they will know the hub bore of a miata . Look on the wheel for a sticker that shows the wheel size and offset . If there isn't a sticker some wheels stamp it on the back of the wheel . If that isn't there take a tape measure and try and get close as you can they look that up and see what is the closes .

As for the wheels run the rears on the front with a 25mm adapter and get a larger lip for the rear on the 7 . with the same adapter
 

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That should look great! I recently installed adapters for very similar wheels. I would suggest ordering them hub-centric, otherwise you will have to ease each adapter lug on nice and slow to get them mounted evenly. Here are some reference pictures:

Enkei EK98's
15x7 et19
195/45 Toyo proxies
20mm adapters
 

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I've always wanted a set of BMW 5 series bbs from the late 90s they are)like 16x8 +20.

Never thought that you could get adapters that were only 20 mm thick. Always thought they ran wider.

I may look into a set now
 

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Ive seen people running 15mm on show cars. 20mm is the thinnest most machinist will make, any thinner and it's getting sketchy.
 

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Discussion Starter #7
If you found a good place to make the adapters they will know the hub bore of a miata . Look on the wheel for a sticker that shows the wheel size and offset . If there isn't a sticker some wheels stamp it on the back of the wheel . If that isn't there take a tape measure and try and get close as you can they look that up and see what is the closes .

As for the wheels run the rears on the front with a 25mm adapter and get a larger lip for the rear on the 7 . with the same adapter
Thanks, I will take a look at it today

I've always wanted a set of BMW 5 series bbs from the late 90s they are)like 16x8 +20.

Never thought that you could get adapters that were only 20 mm thick. Always thought they ran wider.


I may look into a set now


I think they are +20 offset. I will post pictures and more information later.
 

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Discussion Starter #9
That should look great! I recently installed adapters for very similar wheels. I would suggest ordering them hub-centric, otherwise you will have to ease each adapter lug on nice and slow to get them mounted evenly. Here are some reference pictures:

Enkei EK98's
15x7 et19
195/45 Toyo proxies
20mm adapters
whats the specs on the adapters?
 

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any chance you could get the wheels redrilled for 4x100? That would allow you to run wider lips and still maintain decent offset
 

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Discussion Starter #11
any chance you could get the wheels redrilled for 4x100? That would allow you to run wider lips and still maintain decent offset
I was thinking that too. From what I was told, you don't want to mess with it.
 

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Miata: 4x100. 54.1mm hub bore.

I don't know what the BBS is bored out to, just measure or look on the rim or use google.com.
 
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