I would think it'd look awesome; you'd have a truly unique car. I'd be happy with that combo. But that is a personal choice. If you need black inside, you need black inside.
http://forums.bimmerevolution.com/al...php?pic_id=113
http://www.parkplaceltd.com/webinven...00/5300-9l.jpg
I think what's important is that the interior is a complete unit that looks good, and the exterior is a complete unit that looks good. It's not like having Modena seats and a Dakar dash, for instance.