Just wanted to post a picture of my setup and add a little info. There's great info and install pictures in
this G20 thread.
Basically what I found out is that the upper purple connector for the rain sensor is always on, which is okay if your radar detector shuts off, but not good if you have something that doesn't power off like the Escort dash cam. Mine was taking video of my garage for hours.
It seems like bigger connector below the purple one is a better place to tap because it actually switches off after a while. I locked the car and took a 7-8 minute walk and it was powered down. It turned on automatically when I opened the car door.
Also FYI, if your devices do not work with the 12v cigarette lighter outlet by the cupholders, that is probably due to the metal contact screw at the bottom of the socket being too short. I've seen other threads where BMW has replaced the contact screw with a longer one so your 12v plugs will work.
Blendmount used
Wiretap used
Escort dashcam kit
