E46Fanatics - View Single Post - Pictorial DIY: BMW E90 HomeLink/Temp/Compass/Anti Dazzle Mirror Retrofit to E46
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Old 11-17-2012, 05:00 PM   #65
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Join Date: Nov 2012
Location: Seattle
Posts: 2
My Ride: 2005 325xi
Originally Posted by Elwin View Post
This is because you have no premium package so you missing pin 1 and pin 3 from the car to the mirror. The pin #1 is the rear gear. pin #3 is the power from the moment when ignition is on.

The fuse is missing as well. So some re-wiring is required to retrofit autodimming mirror and make it work properly in case you do not have premium package.
Is this the same for adding auto dimming with home link and compass?
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