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Old 12-05-2011, 12:58 PM
ctuna ctuna is online now
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Location: usa
Join Date: Jan 2010
Posts: 4,027
Mein Auto: 325xi wagon
My battery is old an I got the battery warning once

I have been monitoring my voltage with a voltmeter and charging the battery
with a 2 amp setting . I can get it to charge up to 12.5 volts but but it will loose
voltage sometimes quite a bit overnight and if I leave it for a couple of days it will
be down around 11.8 so I am going to get a new one. ( its the original)
I would get your battery charged where ever you can then take a reading every morning
for awhile to establish some history on how well its holding charge or what your driving
habits are doing to it then adjust habits as necessary.

The above describes the intelligent battery charging system although at this point we might
call it the dumb battery system.

Last edited by ctuna; 12-05-2011 at 01:05 PM.
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