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I've retrofit power folding mirrors to my 08 E90 328xi sedan. I've previously had memory, heated mirrors. I had the coder code the folding mirrors to my car before I've installed them. After I installed them only the driver side works. It folds and I'm able to adjust it. The passenger side is not doing anything at all. I can't adjust it or fold it. I though I had a bad mirror but I connected it on the driver side and it works fine. I've downloaded the schematic from BMW TIS to check the wiring and the wiring is correct. It is a 3 wire LIN BUS system. When I put my old not folding mirror I can adjusted it properly. Could it be a coding issue? I know these auto folding mirrors work with the LIN BUS so it should be plug and play after the coding was done. What do you think I should check?
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