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      06-24-2019, 11:59 AM   #1

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Need help: Will Z4 rims fit on a 428i (F36)

Need some help with this. Does anyone know if 2004 Z4 rims will fit on a 2016 428i (Gran Coupe) F36?

I know the bolt pattern on both is 5x120 and the center bore is 72.6mm, but is there anything else I need to be concerned about?

Reason I am asking is that someone is selling a nice set of rims/tires that were bought for a 2004 Z4 and I thought they might be nice on my 428i. The rims are 20" and the tires are 225/30/20. I have 18" on my car right now (225/45/18). I used a couple of websites to do a tire size comparison, and these 20" are about .7" smaller in diameter than what I have on (width is exact). I think that is quite signifcant, so if I were to buy these, I would have to take the current tires off and put something closer in size (diameter) to what I have.

Any comments/suggestions would be appreciated...
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      06-24-2019, 05:34 PM   #2
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You need to watch the wheel offsets. That's what'll be different.
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      06-24-2019, 06:07 PM   #3

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If the offset is larger than your stock wheels, you can always just add spacers to compensate.

The offset for F30 20" wheels are +34 for square setup and +36 front and +47 rear for staggered. It looks like 2004 Z4 wheels have a +47 offset for a square setup and +47 front / +50 rear offsets for stock 18" wheels of the same width (8"/8.5") as the staggered F30 setup. So assuming the 20" wheels have a similar offset as the stock size, they would probably be fine if you just add a 12-15mm spacer on the fronts and left the rears alone.
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