Quote:
Originally Posted by Wayne's World
Check the voltage with the car off. Can be done easily with a multimeter from under the hood at the + & ground posts. If the voltage is seemingly higher than 12 volts, even 12.1, likely its a failing battery. It should typically never exceed 12v when new.
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Hmmm, I always understood it should be 12.65 volts at the battery itself, fully charged. Something slightly less than that under the hood, due to minor loads since the vehicle won't be asleep.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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