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m166 in m6 offset

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Old 08-18-2009, 01:06 AM
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Where can I find M5 166 wheels in a M6 offset?
Old 08-18-2009, 04:32 AM
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Originally Posted by medik13' post='980477' date='Aug 18 2009, 11:06 AM
Where can I find M5 166 wheels in a M6 offset?
The same way you find an M5 166 wheel with an M5 offset! You just need to specify which offset you want when ordering or check the offset on offer if its not from a dealer/shop.

To help you out, here are the offset values.
(ET is short for Einpress-Tiefe, which is German for offset)

M5 offset
- Front: ET 12
- Rear: ET28

M6 offset
- Front: ET 12
- Rear: ET17
Old 08-18-2009, 05:36 AM
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Originally Posted by xBMWx' post='980543' date='Aug 18 2009, 08:32 AM
The same way you find an M5 166 wheel with an M5 offset! You just need to specify which offset you want when ordering or check the offset on offer if its not from a dealer/shop.

To help you out, here are the offset values.
(ET is short for Einpress-Tiefe, which is German for offset)

M5 offset
- Front: ET 12
- Rear: ET28

M6 offset
- Front: ET 12
- Rear: ET17
+1 As you can see, the offset difference is in the rear. The front is the same for both.

Good luck and Welcome to the forum.
Old 08-18-2009, 05:46 AM
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WOW got a quote for the M6 offset and it went up a bit from what I had anticipated. Is there a difference between the the concavity of the M5 and M6 rear offsets? I think I could grab a used set of M5 offsets and add a 12mm spacer for a lot less. what do you think???

I have seen the M6 offset and it looks great. Can I make the M5 offset look just as good?

BTW, thanks for the welcome!
Old 08-18-2009, 06:00 AM
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Originally Posted by medik13' post='980594' date='Aug 18 2009, 03:46 PM
WOW got a quote for the M6 offset and it went up a bit from what I had anticipated. Is there a difference between the the concavity of the M5 and M6 rear offsets? I think I could grab a used set of M5 offsets and add a 12mm spacer for a lot less. what do you think???

I have seen the M6 offset and it looks great. Can I make the M5 offset look just as good?

BTW, thanks for the welcome!

I always assumed it had the same concavity on both rims, because its only 11mm difference. I think when you start looking at the "Xi" vs standard rims then they have a different concave because the offsets are that much different (over 20mm).

M5 and M6 166 rims should cost the same from a dealer -- thats the way it is in Germany at least.
If you can get a good deal on some used OEM M5 rims, then go for it as they don't come up that often. Like you wrote, M5 rims with 12mm spacers will give you the same fit.
Old 08-18-2009, 06:04 AM
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Originally Posted by medik13' post='980594' date='Aug 18 2009, 06:46 AM
WOW got a quote for the M6 offset and it went up a bit from what I had anticipated. Is there a difference between the the concavity of the M5 and M6 rear offsets? I think I could grab a used set of M5 offsets and add a 12mm spacer for a lot less. what do you think???

I have seen the M6 offset and it looks great. Can I make the M5 offset look just as good?

BTW, thanks for the welcome!
a quick search with the upper right search bar will get you a ton of info regarding this topic...as it has been discussed way too many times....

AFAIK, the concavity is the same for both offsets

Yes you can put 12mm spacers on M5 offset 166's and get the same look...as many members are running that exact set-up....

good luck and to the forum
Old 08-18-2009, 06:06 AM
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Originally Posted by GENEaTALS' post='980611' date='Aug 18 2009, 04:04 PM
a quick search with the upper right search bar will get you a ton of info regarding this topic...as it has been discussed way too many times....

AFAIK, the concavity is the same for both offsets

Yes you can put 12mm spacers on M5 offset 166's and get the same look...as many members are running that exact set-up....

good luck and to the forum

Don't spoil my fun Gene, its the only technical question I can answer

Thanks, Pete
Old 08-18-2009, 07:14 AM
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According to Gary at Newport BMW, the M6 offset rear wheel is slightly more concave.
Old 08-18-2009, 07:17 AM
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Originally Posted by Howitzer' post='980677' date='Aug 18 2009, 08:14 AM
According to Gary at Newport BMW, the M6 offset rear wheel is slightly more concave.
meaning 11mm more concave
Old 08-18-2009, 09:26 AM
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I just got OEM 167's with the M6 offset. They sit perfectly and are really concaved! Very happy, plus no need for spacers.


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