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      05-21-2013, 04:51 PM   #4
W Cole
Drives: 2009 M3
Join Date: Dec 2010
Location: Newport Coast, CA

Posts: 763
iTrader: (4)

I just plugged in a new mirror that had homelink and it worked. No harness or anything needed. I think as long as you currently have autodim you should be good to go.
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