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      01-08-2013, 01:27 PM   #4
New21er
Lieutenant
United_States
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Drives: 2011 135i
Join Date: Dec 2010
Location: Stanwood, wa.

iTrader: (2)

5 years is about max for a battery, even 4 years is pushing it in some cases. Even charging a weak battery (battery tender) will fail. I would spring for a new one.