I think your kit is'nt the same one :
First one was only a 4 channel installed in the trunk just an evol of E8x
Actual one (from 2013) is a six channel and it goes under the glove-box :
ref :65 41 2 293 994
http://f30.bimmerpost.com/forums/att...0&d=1388227396
and yes, this one need coding