It looks like our new threads crossed in the mail ! Yes, I've been told that you can order a non-standard color, as long as it's in the BMW model line somewhere, for a fee of $5,500 in the US. That's too high for my taste. Here's my post that is related to yours:
Just Venting: Why can't I order M Sport in Deep Sea Blue ?
http://f10.5post.com/forums/showthread.php?t=546454