Quote:
Originally Posted by racer_x
Hey guys, I believe my 2008 135i is still on it's original battery....
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You're overdue, and lucky
Quote:
Originally Posted by racer_x
....What should the voltage be on a healthy battery?...
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SOC, State of Charge, measured about 1/2 hour after ceasing all electrical usage including opening/closing door (only some milliamps now being drawn to save memories)
12.68V 100%
12.45V 75%
12.24V 50%
12.06V 25%
11.89V 0