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      09-24-2011, 05:54 PM   #2
skinrock
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Drives: 2016 i8
Join Date: Jan 2011
Location: The Matrix

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2016 BMW i8  [5.00]
You need to run the yellow / constant wire to an uninterrupted 12 volt source, something that does not lose power when you turn the car off, usually directly off the battery.

edit: are you saying the new headunit loses the settings or the car itself?