I'm actually installing 2 jl 12w6's (old, I know.... they were in my 96 318i)
anyway.... thanks to talisay for the tip on the cd changer wire... I was wondering where I was going to get the +12v for the remote.... as my car is still in warranty and I'm not cutting wires at all.
I bought a set of molex 2 pin plugs .092" pin/plug size (check size)
anyway, I shaved/cut the molex plugs down to fit into the stock plug on the right speaker in the rear deck, so the speaker is still functional, but, I have wire I can splice into in order to get the signal.
I then ran this signal to a high-low converter, and then got it running to my amp via some rca's of course.
I am having one problem though.... which, for the life of me I can't figure out... HOW do you remove the battery tray?
I take off the plastic screws holding the tray to the body, but, it's stuck at the back by the fabric lining of the trunk... I can't figure out how to get it loose, anyone know what the hell I'm doing wrong?
good luck with that install.... doing it yourself is always much better.... and personally, I don't think most places bother to take the time not to cut wires, without charging you way too much extra......