if you're willing to get a 99% new US performance intake, then this's a good deal for you:
http://www.e90post.com/forums/showthread.php?t=517333
It's a BMW performance intake for US market.
The guy who sold it to me, couldnt fit it into his Euro 320i. & I couldnt fit it into my Euro 325i, so I've returned it to him. So the intake is 99% new.
If you still want it, i'll give you his email.
Cheers.
D