Originally Posted by teege
gotcha. not really sure what the MOST jacket looks like, can't find anything online with that search term (pointers?), but I also haven't seen the 20-pin connection in my car. I am guessing it's there, just behind or hidden from view. still waiting for ken to reply, hopefully it's less problematic then it seems.
The 20-pin is the OEM speaker main connector harness -your aftermarket amps outputs are wired to it. You need to remove the left trunk trim completely to see the whole OEM wiring.
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT: September ED
-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone
-2002 E46 330i Orient Blue/Natural Brown, 5MT: Gone