Well, there's these. http://www.bimmernut.com/forum/showthread.php?t=39462
These as well http://www.bimmernut.com/forum/showthread.php?t=37288
And if neither of those pan out I'd try Joe Funk at Autobahn Sport http://www.autobahnsport.com/
Yeah, his website is only a contact page. But he's a good source of parts for reasonable prices. And last time I was down at his shop he had a few sets of M5 skirts & bumpers. Even had a set of ACS skirts as I recall.
When are you going to get an M-Tech/M-Sport front bumper w/brake cooling ducts? And yes, I know you can just cut a set of 540 ducts into your regular bumper. But that looks like crap compared to the M-Sport setup.
Cosmos Black/Black 1995 540iA M-Sport
BMW Individual Exclusive Edition, 1 of 65 total, 9/25/95 Build