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2003 - 2009, roadster, coupe, facelift
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Samurai Tortoise
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Post by Samurai Tortoise » Sun Sep 25, 2022 4:22 pm

Hi, I have a 2006 2.5i and its on 17's which are not staggered. So running 225/45/17 tyres. I'm thinking of adding spacers, although not 100%, and wondering what size would be best. A quick man math moment with a tape measure and I'm thinking 10mm front and 17mm or 20mm rear. Does that sound about right?

Has anyone got any pics of your spaced setups?
2006 BMW E85 Z4 2.5i Sport
2015 Honda CBR 1000RR Fireblade

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kis
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Post by kis » Sun Sep 25, 2022 6:19 pm

10 or 12 or 15 is quite common on the fronts
15 or 20 common on the rears.

Depends on the wheel and offset!
My E85 Z4 3.0i SMG

BMW Family History (past and present):
1 Series - E87
3 Series - E46 Coupe, E46 M3, E90 (x3)
4 Series - F36, F82 M4
5 Series - E34 (x2), E39
7 Series - E32
X5 - E53, E70
X6 - E71

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Samurai Tortoise
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Post by Samurai Tortoise » Sun Sep 25, 2022 6:35 pm

Thanks, I have these if that helps...
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2006 BMW E85 Z4 2.5i Sport
2015 Honda CBR 1000RR Fireblade

Zedebee
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Post by Zedebee » Sun Sep 25, 2022 6:58 pm

That looks like a style 200 8” wheel with et46 offset. In which case the outer face of the wheel at the back is in almost exactly the same place as the standard staggered fitment 8.5” et50. If so, a 15mm spacer is bang on the money, 20mm is too big and protrudes outside of the wheel arch.
I’ve not tried spacers on the front but they don’t need as much as the rear. 10mm would probably be best.
2003 Maldives Blue 3.0i auto
Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

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Samurai Tortoise
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Post by Samurai Tortoise » Sun Sep 25, 2022 7:07 pm

Yes, they are style 200's. Thank you for the advice. I thought 20 might be a touch too far. 10mm front and 15mm back it is then. :thumbsup:
2006 BMW E85 Z4 2.5i Sport
2015 Honda CBR 1000RR Fireblade

Zedebee
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Post by Zedebee » Sun Sep 25, 2022 7:26 pm

Difference between 15mm and 20mm on a standard offset staggered rear wheel (in this case 203s):
40D4B7A0-BF7F-48BB-BED5-29CE5AB7CC12.jpeg
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E3F53B15-1023-4674-BE72-04E36E520E06.jpeg
E3F53B15-1023-4674-BE72-04E36E520E06.jpeg (258.48 KiB) Viewed 239 times
2003 Maldives Blue 3.0i auto
Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

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Samurai Tortoise
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Post by Samurai Tortoise » Sun Sep 25, 2022 7:37 pm

Thanks, I see what you mean about the 20mm's, possibly just a touch too much for me.

How do you find handling is changed, if at all?
2006 BMW E85 Z4 2.5i Sport
2015 Honda CBR 1000RR Fireblade

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