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Old 11-28-2012, 04:20 PM   #393
jensdad
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Join Date: Nov 2012
Location: NH
Posts: 5
My Ride: 330Ci
Cool replacing battery in key fob

great diy, great thread. I opened up the key fob, no problem. I detached the old battery by using a jacknife blade to gently pry under and break the welds on positive side. I then lifted ( bent) that positive moon shaped connector arm vertically and out of the way. I then lifted the old battery up to expose the welds on the negative side and I used the knife to break the welds on neg side. The battery came away then. I then straightened out ( re-bent) flattened the pos. and neg. connector arms that I had twisted during removal of old battery. Both pos. and neg. conn. arms are still soldered attached to the circuit board. Kind of like a sandwich. So, when I receive the new battery, why can't I just slide it in between the pos. and neg. arms ( top and bottom), maybe use epoxy to hold the new battery in place and be done? Did I miss anything?
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