Let me start by saying that the BMW connected ride cradle is poorly designed and there are countless instances on the internet of people breaking this specific piece. I have used this less than 15-20 times and I could see the writing on the wall. But, that being said, the fact that BMW does offer a repair/replacement kit is a plus. otherwise my $249 Navigator unit would have been junk.
... to charge through the accessory socket. It'll digitally handshake and get the ECU to unlock the socket for ingress. The BMW charger has the BMW male connector already.
Regardless of what some engineers seem to think, we don’t all fit the same way hence the necessity for aftermarket engineers who understand that and the folks that carry their goods..thank you, Illium and Sierra BMW.