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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > Wheels and Tires > What's the OEM center bore size for BMW rims?
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      09-15-2012, 06:07 PM   #1
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What's the OEM center bore size for BMW rims?

Hi folks

I tried searching in the Sticky section as well as searching but I was not able to find the answer.

What's the center bore size for 2013 wheels or BMW wheels in general

Thanks

Max
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      09-16-2012, 07:17 AM   #2
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all 72.56
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      09-16-2012, 08:12 AM   #3
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all 72.56
Thank you
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      09-16-2012, 08:22 AM   #4
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all 72.56
Well almost all, a few are 74.1 like the X5 E70, the X6 E71 (front wheels only) and the old 5 series E39.
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      09-17-2012, 07:25 PM   #5
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Quote:
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Well almost all, a few are 74.1 like the X5 E70, the X6 E71 (front wheels only) and the old 5 series E39.
We have a winner!
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      10-08-2013, 01:24 PM   #6
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Does the bore on a replacement rim have to be exactly the same as the OEM rim?
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      10-25-2013, 02:26 PM   #7
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Does the bore on a replacement rim have to be exactly the same as the OEM rim?
Not necessarily, but ideally yes.

If you purchase a replacement rim with a smaller diameter center bore it will have to be bored out by a machine shop.

If you purchase a replacement rim with a larger diameter you must purchase hub-centric rings (plastic or metal) and install them inside the hub bore of the wheel. Hub-centric rings come in many sizes, but make sure to purchase the correct size for your wheel/car (i.e. if your hub bore is 72.56mm and you purchase wheels with a 74mm hub bore, you must install 74mm to 72.56mm hub-centric rings). If you do not install hub-centric rings, you will likely experience steering wheel shake/vibration at cruising speed due to the wheel not being perfectly centered.

The safest method is to purchase wheels with the correct hub bore as they are a direct fit that won't need any machining or rings. Hope this helps!
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