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2000 BMW Z3: Discharged Battery, Hydro Meter Black, Jumped Car, yet still black?
Ok, it turns out that I left my trunk open for 3 days and didn't drive
my car. The little trunk lamp must have completely discharged my battery because the car wouldn't start, I lost my clock settings, and the battery's hydrometer was pure black, indicating a discharged battery (yellow means a dead battery and green means a charged good battery). I was able to jump-start the car, and I drove it around constantly for a few hours. However, the hydrometer is still pure black, but the car now starts without jumping. 1. Can I recharge the battery by driving the car for long periods of time? 2. How long does it take to charge the battery to get the hydrometer to be green again? |
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On Sun, 21 Nov 2004 11:54:04 -0600, Jim Levie >
wrote: >On Sun, 21 Nov 2004 16:02:23 +0000, 04 Mystic wrote: > >> On 17 Oct 2004 12:08:35 -0700, (MathMan) wrote: >> >>>Ok, it turns out that I left my trunk open for 3 days and didn't drive my >>>car. The little trunk lamp must have completely discharged my battery >>>because the car wouldn't start, I lost my clock settings, and the >>>battery's hydrometer was pure black, indicating a discharged battery >>>(yellow means a dead battery and green means a charged good battery). I >>>was able to jump-start the car, and I drove it around constantly for a >>>few hours. However, the hydrometer is still pure black, but the car now >>>starts without jumping. >>> >>>1. Can I recharge the battery by driving the car for long periods of >>>time? >>> >>>2. How long does it take to charge the battery to get the hydrometer to >>>be green again? >> >> >> I have an M3 with the battery in the trunk. The battery is dead and the >> trunk lid is closed. Since the trunk is actuated by an electronic solinoid >> how do I get into the trunk to change the battery? >> >Use jumper cables and power the car up with another battery via the jump >start connector in the engine bay. Thanks I'll try that. |
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