Quote:
Originally Posted by peterliang
I have a 1990 something BMW 740i sedan currently with no battery charge so it won;t start and I just borrowed a battery charger from a friend and don't know how to use it...anyone know a safe, manual way to charge up a car battery?
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Safe way to charge up the battery is to follow instruction given in the manual.If manual is not there you can better enquire your friend or get help from auto electrician.