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  1. Yet Another Rain Sensor + Electrochromatic Mirror Retrofit (done cleanly as possible)

    DIY: Do It Yourself
    (Still writing, come back tommorow) I couldn't find a good E46 specific DIY for the rain light sensor and auto-dim mirror... so after doing this I figured I could document as best I can and start a thread to describe how mine worked out. Here I will manage and put all the info I can find and...