I just had my 8000 NEX installed yesterday into my 2011 BMW 335d. When the car is off, selecting reverse turns the camera on exactly as has happened in all of the AVIC units that I installed into my 2010 Jetta TDI Cup Edition. Once the vehicle has started, it will engage the camera the first time I put it in reverse, but never again until I shut the whole car down and turn it on while in ACC mode. The voltage is just under 12v when the vehicle is off (and the camera activates as it should), but when the car is on, the voltage goes to 12.6v and the head unit seems to pretend that the trigger do