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Old 12-16-2018, 12:21 AM
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crystalworks crystalworks is offline
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Quote:
Originally Posted by Crowz View Post
Power it off the radios power antenna wire antenna wire. That's what I do when I want the camera to have power when the radios on. I normally do this on trucks with trailer hitches since I want to see the hitch constantly even when going from drive to reverse.
^That. Or tap the ACC wire at the radio harness. Usually red on aftermarket harnesses. Forget what color BMW uses (red/white maybe?).

As with most 12v electronic problems, there are going to be multiple ways to skin this cat.
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