I'm using my previous CD Changer (with BMW Business Radio) and just plug in the cables socket.
This is the BMW Business Radio that I used before, and now it's open for sale.. hehehe
The problem comes in with the Nav display when the socket is wrongly colored by the manufacturer (by the way, eventhough the cabling system is a brand new, but it is made by after market company), that's why there's got some silly error.
So, I just switched the socket with maroon and white coupling sockets (originally suppose to be plugged at MK3 comp) with the blue and white coupling sockets (suppose to be plugged to TV Tuner module).