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Wheel size for 2005 Z4 2.5i

Alloy wheels and tyre discussion
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Z4owner23
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Wheel size for 2005 Z4 2.5i

Post by Z4owner23 » Fri Sep 03, 2021 11:28 pm

Can someone tell me if upgrading my Z4 e85 wheels to this size okay? It’s an18” BMW oem style 268 from 128i/135i

Front: 18x7.5 et49 215/40/R18
Rear: 18x8.5 et52 245/35/R18

Thanks.

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Panta Rhei
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Wheel size for 2005 Z4 2.5i

Post by Panta Rhei » Mon Sep 06, 2021 7:12 am

They will fit, but fronts will get inside the car for approx 8 mm.
And these are not proper tyre sizes for e85, but they sure will do

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Mr Tidy
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Wheel size for 2005 Z4 2.5i

Post by Mr Tidy » Mon Sep 06, 2021 8:42 pm

Yes, as Panta Rhei says they will fit, but they might look better with some spacers.

Standard sizes for E85/6 staggered 18s like 1083, MV2s, etc. are 8Jx18 ET47 front with 225/40 tyres and 8.5Jx18 ET50 rears with 255/35 tyres.

You can get an idea of how they will sit here:- https://www.willtheyfit.com/
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patriot66
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Wheel size for 2005 Z4 2.5i

Post by patriot66 » Tue Sep 07, 2021 1:21 pm

According to t'internet BMW Style 268 (Part No. 36116780907) are 7J x 16 ET 31 wheels. Fairly sure these will not fit over the brake calipers :?
http://www.bmwstylewheels.com/bmw/268
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