I was dealing with Nicole Nagler. She was really helpful. I was getting the CD-Changer model that does not work with the trip computer and she switched it for the right one. Mazda has 4 different models of MP3/CD Changers: BS0A79EGX, BS0B79EGX, BS0C79EGX and BS0D79EGX. The BS0D79EGX is the one that works with Bose and with the trip computer. Here is the contact info. I hope she does not mind since this means more business:
Nicole Nagler
TRI-POINT ENGINEERING
21345 Deering Court
Canoga Park, CA 91304
T. 818-348-5385
F. 818-348-3823
<nicolen@tripointengineering.com>
Considering the cost of an Ipod, and the connectors required to make it work with the stock stereo controls, this seems about equal. Thanks for the information.