No. You have version 23 per the nav forum:
http://www.bimmerboard.com/forums/posts/29257/
I have successfully upgraded to v29.1 on my 2004 z4. There are numerous articles on the web about how to do it or you can buy a pre-made cd from ebay:
http://cgi.ebay.com/ebaymotors/BMW-V...spagenameZWDVW