Genuine BMW - 61120434330 - Auto Dimming Rear View Mirror Retrofit Harness (61-12-0-434-330)
DIY - additional wiring info for Homelink / Autodimming mirror in e88/e93 - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
Auto-Dimming Compass Mirror Retrofit Issue
OEM BMW Auto Dim RearView Mirror Homelink Hidden Compass E46 E39 E60 E90 E53 | eBay
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BMW E63 E38 E65 E53 E83 E90 Homelink Compass Auto-Dimming Rearview Mirror New | EUROACTIVE — EuroActive
How to Retrofit a Compass Mirror on any Old BMW (It's Plug 'n Play!) – The Bimmer Barn
DIY - Homelink Mirror Retrofit - BMW 3-Series (E90 E92) Forum
The Rear View Mirror Guide - BMW 3-Series (E90 E92) Forum