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Help with wheel sizes and ET

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Cavey1638
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Help with wheel sizes and ET

Post by Cavey1638 » Sun May 11, 2025 4:14 pm

Hi all, I have a 2010 Z4 35i with the 313 style wheels. These are now getting really near impossible to source. The ones out there seem to have more cracks than a dried out lake bed. I have decided I like the look of the Veemann V-FS34 19 inch. I know my current wheel figures are front 225/35 R19 8J ET 29 - The rears are 255/30 R19 9J ET40.

The Veemann alloys are front 19 x 8.5 ET 35. The rears are 19 x 9.5 ET 43. I have had a look on the wheel fitment site - willtheyfit.com and they seem ok? When size tyres would I need as wider rim would the fronts be 235 instead of 225? The rears again would they need a 265 tyre?

Do I have enough clearance for the brake callipers and the struts? Tyres would be probably Continental SP. A lot of wonga involved and don't want to suddenly find out it messes the handling up either?

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Regards

Cavey

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B21
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Help with wheel sizes and ET

Post by B21 » Sun May 11, 2025 4:56 pm

They should be fine..probably best with a 235 265 or maybe a 235 275 ..you may want to consider 5mm spacers after the event
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Help with wheel sizes and ET

Post by Cavey1638 » Sun May 11, 2025 5:17 pm

I did think of spacers. Normally try to avoid but 5mm is not a lot. I gather that would be front and back?

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Help with wheel sizes and ET

Post by Guthlac » Sun May 11, 2025 9:41 pm

235/35 front and 265/30 rear should work well with those widths. The higher offsets will tuck the wheels slightly but should still clear.
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B21
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Help with wheel sizes and ET

Post by B21 » Sun May 11, 2025 10:12 pm

Cavey1638 wrote: Sun May 11, 2025 5:17 pm I did think of spacers. Normally try to avoid but 5mm is not a lot. I gather that would be front and back?
Probably both…try it within spacers then see..235 275 best combo in sc7
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Mr Tidy
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Help with wheel sizes and ET

Post by Mr Tidy » Sun May 11, 2025 10:18 pm

You could always mess about putting the alternatives in somewhere like this:- https://www.willtheyfit.com/
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Help with wheel sizes and ET

Post by Cavey1638 » Tue May 13, 2025 9:41 pm

Thank you gentlemen for the responses. I have had a look on www.willtheyfit.com.

Regards

Cavey

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