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      06-02-2009, 05:25 PM   #110
swamp2
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Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

iTrader: (3)

After many days of fairly trouble free use my new B3121 is back to the same old shortcomings. To be fair I do often let my car sit for 2 nights in a row without use. After doing this today my trip odometer reset to 0 and the clock once again "forgot" the time. It is my opinion that this battery will be an OK solution only if 2 criteria are met:

1. The car is used everyday.
2. You are in a warm weather climate.

The math still does not add up to me as to why this unit doesn't work better with a longer reserve time but it clearly isn't. I am going to pursue something in the range of 40-60 Ah.
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