Thread: RGB DRL Wiring
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      04-07-2025, 06:48 AM   #1
BadtzMaru17
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Drives: BMW 540i G30
Join Date: Apr 2025
Location: North Carolina

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RGB DRL Wiring

Just bought my first BMW, a G30. It's an amazing car, we can get into that later.

I installed RGB DRLs and they work great, except for the wiring. There are three wires, red (+), black (-), and white (switched/ACC). I want to find the DRL circuit and tap into one of the wires so I can control the DRLs with the car's iDrive and so they work as OE.

Does anyone have a circuit diagram for the DRLs, or a diagram for the headlight connector? I'm trying to figure out how the factory DRLs get power, because the RGBs utilize the same 5-pin connector (inside the housing), but then are controlled by the wires that come out from the unit. There must be a wire that is controlled by the BDC that powers that DRLs in stock form.
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