Thread: M3 battery
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      12-15-2012, 10:10 AM   #3
Parkanzky
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Drives: '10 SGM M3
Join Date: Aug 2012
Location: Grand Rapids, MI

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I have let mine sit for at least two weeks and it started up no problem. I plan to store the car this winter and I'll buy a battery tender for it when I do, but for a couple weeks I wouldn't worry about it.
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