First off, Welcome to the forum! My mother had a Sparkling Metallic 2006 330i when they first came out! She purchased it in June of 2005. It's what really started my passion for BMWs, you have an amazing car! Beautiful color! Too bad it was traded in on a Mercedes Benz..
The decals can be found here
http://www.e90post.com/forums/showthread.php?t=48030 they are virtually free, all you have to do is pay for the postage for the stickers..
Once again, welcome to Bimmerpost, and if you ever see a Red E92 M3 Coupe, wave, because it'll most likely be me