Hey, I see the awesome work you did on making a cable yurself. They sell those for $80 plus tax (total $91) here in Canada. I want to make my own as I am also an engineer, be it Mechanical, I understand electronics enough to make the cable. My only issue is that I do not have a NAV system in my 2004 BMW 330ci and was wondering if you could tell me if your cable works for that or where I could find the differences.
Thanks for your help.