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2003 E55
My 2003 E55 will drain the battery after sitting for several days. Computer(s) seem to come alive when car is off and takes battery down. Any suggested solutions?
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Permalink Reply by panikos skaliotis on -
in addition to the main battery of the car, there is also a smaller battery installed with the sole purpose to power all the necessary car consumers requiring to be alive and running, when the car is switched off(the clock is a good example, the computer to keep the memory alive etc etc...). otherwise check your charging system and why not the battery itself for being weak. bear in mind though that rare use of a car actually results in battery draining.
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