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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > AUDIO/VIDEO + BLUETOOTH + Electronics/Alarm/Software > Reverse Wire Location at FRM



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      06-23-2017, 02:30 AM   #1
Frozen Fractals
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Drives: BMW E90 330i 6AT
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Reverse Wire Location at FRM

I am attempting to custom install a reverse camera onto my non-iDrive E90 330i. I am using a Nexus 7 tablet as the display, but I am looking for a signal wire to wire to a relay to enable the capture device when the car is in reverse. I understand that the FRM (footwell module) controls all lighting in the car and thus the reverse lights. Does anyone know which pin/wire to tap into for the reverse lights? Otherwise, is there a better wire to tap into that only receives voltage when the car is in reverse?
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