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      10-27-2010, 11:41 AM   #36
David1
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Drives: 09 E92 09 X5
Join Date: Mar 2007
Location: Columbus, OH

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Quote:
Originally Posted by ShastaMan View Post
As I have posted before, I use a portable voltmeter to check the charge rate. It has been a consistent 13.7-13.9 volts since the car was new. When I have to replace the battery I will check to make sure the charge rate is the same. If not, I will probably have it registered. It will be a cold day in hell if I ever pay $400 for a battery for a BMW or any other car when I can buy one from Auto Zone or Walmart for $77.
Those batteries are not for interior use.
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