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Old 10-31-2012, 08:44 AM
Chuck W.'s Avatar
Chuck W. Chuck W. is offline
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Location: Agoura Hills (LA) CA
Join Date: Apr 2007
Posts: 1,170
Mein Auto: 12 BMW 535I MS Alpine Wht
Originally Posted by mrcamp View Post
There are several threads on this issue here. Bottom line - you need a battery tender. I drive mine only on the weekends as well, so I use a battery tender. See link below.
I contacted Deltran and asked which Battery Tender I should use for a absorbed glass mat (AGM) battery that is in our cars. They told me to use their Battery Tender Plus Gel unit.

I use it religiously as my car is driven sporadically. And still, my battery died and had to be replaced at 10 months, 7100 miles.
2016 BMW M2 - ED Pick Up on 07/12/2016; US Pick Up on 09/22/2016
2012 BMW 535I - ED Pick Up on 12/03/2011; US Pick Up on 01/27/1012
2001 Boxster S 30,000 Miles, Original Owner
2007 Mini Cooper S - Sold
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