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Old 07-10-2013, 06:17 AM
Burning2nd's Avatar
Burning2nd Burning2nd is offline
Under the lift arms
Location: Under the lift arms
Join Date: Aug 2010
Posts: 7,167
Mein Auto: E39 540, E36 328is, E83x3
Your looking or 12vdc when the car is off and nothing is turned on .

Your looking for 13.8-14.6vdc when te car is running (depending on load )

If you have a voltage load tester you can test the battery's performance when the car is off
"Load test"
Specializing In BMW, Audi, Mercedes Benz ,Volkswagen, Volvo

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