320d Touring mini navi - subwoofer left/right from radio control module?

[5sbimmer]

Hi,

I've been searching for a while, but haven't found a an answer, maybe someone knows. I've got a 320d 2004 Touring Euro model with a mini navi and i want to install a subwoofer to the rear - the subwoofer has the built-in amp and i would just need the left/right speaker wires, remote and power. I was thinking before going directly to the rear speakers maybe i can get them from the radio control module next to spare tire compartment, but i can't find the diagrams, to know which wire is which on the radio control module, but i assume there should be left/right there. Does anyone happen to have some insight about this or have any diagrams about the radio control module?

Thanks in advance!

[Pelican Parts]

You may be able to find the wiring diagram for your model online; if not, pick up a workshop manual - it'll have all the wiring diagrams and torque specs as well. Best of luck!

[5sbimmer]

There was no amp under the floor, only PDC module. I ended up taking the speaker wires from the speakers.
Thanks for your input!