I just got my 4.8is not too long ago and the PO had a backup camera on the license plate mounted. I've noticed a couple of things and I want to know what's the norm or fix.

1. When my vehicle is off and doors closed, screen is off (as it should be). When I press the unlock button and open the door, the screen "comes on" but nothing is displayed. It does shut off though eventually if I don't actually start it. I was told this is normal. I would have thought normal would be that it came on and the BMW logo would show.

2. Whenever I put it in reverse, the screen goes blank. Meaning, I'm driving with the radio on or whatever, then put it in reverse to back into a parking spot or my garage, the screen goes blank. It looks just like above. It's technically "on" but nothing is displayed.

So I'm thinking that the camera has to be connected, otherwise it wouldn't go blank. It just may be connected wrong???