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Old 11-13-2012, 05:14 PM
Frankg11 Frankg11 is offline
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Location: Seattle
Join Date: Oct 2012
Posts: 9
Mein Auto: 2010 X5 - 2012 335is
i just went though this as well. My wife's key was the first one closest to the car. When I got in the car on the drivers side it still recognized her key. I had to plug mine into the key slot to get it to my preferences. Additionally, I wanted to charge her key and stuck it into the key slot after the car was started and it took her preferences. I think that that key closest to the Key slot is the primary. So I just stuck mine back into to slot. All good after that.

Just my experience.
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