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      01-28-2013, 08:07 PM   #10
ctuna
Brigadier General
 
Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

Posts: 4,092
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FYI

http://www.bimmerfest.com/forums/sho...hlight=battery

Seems to be a common problem.

http://www.bimmerfest.com/forums/sho...hlight=battery

Even leaving the non comfort access key in the car would be lame as you
are depleting the main battery while the car is awake at a high rate in order
to charge the little battery in the car.

some have measured the awake draw at about .5 amps and the asleep draw at about 10ma .

You can get 5 of those battery's on ebay or amazon for about .20 cents each . It cost me 2 dollars total to get them and get them to my front door.
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