Originally Posted by apw2607

Actually to upgrade the BM radio from the old version to the new version, you need to purchase these additional adapter cables sets:

61.12-6 913 957 Round Pin to Flat Pin Main Radio Harness Adapter
61.12-6 913 955 New Gen Radio Antenna Adapter
61.12-6 924 785 10-Pin to 12-Pin Radio Audio Input Adapter
61.12-0 140 716 CD Changer Audio Input Cable

http://www.bimmernav.com/.pdf/new_style_radio.pdf