I posted this on the "other" bf.c forum, but got no reply, so I thought I would try here too:
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Can I fit the 18x9 ET24 from E39 on Rear of M coupe (std. 17x9 ET8) with a spacer and/or hubcentric thingy?
If so, I'm assuming the E46 18x8 ET47 or 18x8.5 ET50 would fit on the front (std. 17x7.5 ET41) with spacers, or maybe without, right?
Here's my reference link.
I hope this setup works as I'm getting really depressed

at the small amount of OEM wheels that will fit (and look good) on the M Coupe. Thanks!!!
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The only other choice of 18"+ OEM wheel that would fit and I like is Style 127. But they are rather expensive and the 19" tires would cost more. I like em, but it would double my cost.
There are a couple other choices I liked but they either don't quite fit right or are too expensive.
Style 125, Style 179 (19"), Style 199, Style 167, etc., etc., etc.
I *REALLY* liked the Style 125 wheel as it was closest to the Style 37 M parallel, but the fitment just wasn't quite right.
(I'm posting all this info in case some other MZ3 owner has the same trouble)
So, if anyone could help answer the Style 71 question above, I would appreciate the help.
Also, has anyone ever dealt with http://www.bmwpartx.com/ before? They have "reconditioned OEM wheels for about 50% of retail cost. What do you think of them?
Thanks to all for helping!!!