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Old 01-20-2013, 03:04 PM   #9
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Join Date: Aug 2008
Location: Torrance, CA
Posts: 2,597
My Ride: '99 323i & '02 540i
Originally Posted by sgoetz628 View Post
Does the ignition have to be on for the key to be charging, or could I just leave it in overnight? I don't like to use the 2nd keyfob, as all the settings are different. Also, do you recommend charging the 2nd keyfob from time to time?
The ignition needs to be in the Acc or On positions to charge the internal battery in the diamond keys. The key should be charged at the very least every 6 months for several hours.
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