You will need that one to remove your glove box:

http://www.xoutpost.com/bmw-sav-foru...x-removal.html

and that one to have power on the plug below the driver seat:

http://www.xoutpost.com/bmw-sav-foru...r-shocked.html <- #8

I did the bridge with a cable - works like a charm for months now - you can also add the right relay if you want.
Coding is not required.

The rest is plug and play.

Good luck