Originally Posted by THE TECH
It's possible then I got confused when Pin13 was given as the place for the remote that it was for the pin in the glovebox.
So you're saying that Pin13 is on the iDrive controller under the center console?
Pin 13 in the back of the iDrive computer
, as shown in the video in the link above... remove computer (CIC), unplug Quadralock, tap thin black wire and run wire to the aftermarket amp/processor.
Use an inline 1A fuse in that wire for protection.