I've tried searching but found nothing. Has anyone fitted E38 style 32s or M-parallels on a Z4? Can't find a picture anywhere! Don't have a Z4 at the moment but considering getting one and looking for something a bit different.
Here is a picture of the 32s on an E46:
And a picture of the m-parallels:
Here is a picture of the 32s on an E46:

And a picture of the m-parallels:
