I have found a great pdf document which explains the NCS expert coding list, and options for the E46 bmw. it is attached below (please note i dont take any credit for this document but would like to share with everyone as its hard to find information on NCS codes.
Document attached here: FSW_PSW
Latest E46 SP-DATEN module updates can be found here
Thanks mate, been looking a long time for this. THANK YOU
Thank you.
THX!