I see your new here... So am I... I just finished coding my car for the first time -100% success with no questions asked... I'll share my secret with you - and it will help you gain respect for finding things on your own...
steps to bmw coding unlocking doors
http://www.google.com/#hl=en&tbo=d&s...w=1366&bih=619
Just do a google search for your question... Its all there - do a search for E9x code list - or E90 code list... you will find all of that very handy...