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bringing this back from the grave.
i'm trying to install the bluetooth in my 6/2005, which is sold as a 2006 model. I have the module for the trunk and my car is pre-wired as well along with prewired for CD Changer, and Sirus Satellite radio. So I hooked up the antenna that goes under the driver's side and the microphone that is in the dome light. Now that I go to hook up the box in the trunk I see 4 colors on the box, blue, white, black and purple. I have only 3 wires in my trunk, white, purple and black.... no blue. Is my car missing it? Or do I need a specific module for my production year? Is the Blue wire for something I don't need? I don't have the phone charging deck in the middle console either. BTW, my e90 has the CCC navigation.
Am I okay with the 3 wires I have hooked up? Or am I missing something?
(damn BMW, why can't they just make it easy for us DIY'ers)
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