Tell me about the other solutions.

I want to install AUX input so i can connect my world space satellite radio.
looking now for any solution. I just want to found any wires that carry the sound in the car so i can connect my part.
No need to change the whole wiring harness .. There is sound signal moving in the car(from CD changer& navigation unit& radio)
I just want to find the cable that carry the sound signal.
I don't have any problem in putting the AUX instead of CD changer or radio(because I don't use them at all)

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[/IMG]Daddy daddy, whats that car with that huge spoiler, and white lights in the back?.....
Thats X5 son and he just kicked my ass! :
2006 X5 4.8IS
2001 M5 individual
2004 TVR Tuscan S 2004
2004 Mitsubishi Evolution 8 MR