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      11-14-2011, 12:09 AM   #10
Drives: 2006 330i
Join Date: Jun 2011
Location: Victoria, BC

Posts: 772
iTrader: (0)

Yes, the CA battery is a CR2032, same battery you would use in a desktop PC motherboard.

You pop the key out the back of your fob and use a dime and twist in the thin slot below the key hole, it pops a small cover off the bottom/back of the fob, that is your CA battery.

The battery does not charge when the fob is in the dash.

Positive plus sign faces towards you when inserting the new battery.

Last edited by Glim; 11-14-2011 at 12:14 AM.
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