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      12-19-2012, 01:52 AM   #8
Mike Benvo
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Drives: 08 E90 M3 / 400whp Turbo 7
Join Date: Apr 2008
Location: SoCal

Posts: 4,642
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1990 BMW 735i Turbo  [5.00]
2004 BMW M3  [0.00]
2008 BMW M3  [5.00]
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Quote:
Originally Posted by mdefalco25 View Post
Had Autozone test battery today. Tested just fine and showed an 8 amp drain when everything was off... Still think it's BS? Would like to know before I dump all this money into the test tomorrow. Please let me know your thoughts.
I've been through and seen so much battery BS at the dealership, that personally I would just replace the battery. An energy diagnosis on the car usually comes back with "Unfavorable Driving Conditions" as the culprit. I have all of the factory tools and have run that diagnostic. It's useless unless there is a huge draw.

Make sure all connections are tight and measure the voltage before starting to see what it is.
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