u have to order it throuh reseller in the states..there is not re-sellers in Hong Kong at all..
i got my deal here:
http://www.m3post.com/forums/showthread.php?t=168984
I got mie before bimmerstore and other stores selling it...so u can just buy anywere most likely now...
MikeHK..good to see you here..it seems that you're the 2nd person with an e90 m3...anyones else??