1997 BMW 523 CAR WONT TURN OVER

1997 BMW 523
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LOMANTO
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  • 1 POST
Engine Mechanical problem
1997 BMW 523 Two Wheel Drive 188 50 miles

Hi there left the car standing for 6 months,battery water evaporated,somtimes the car startes by putting the car in first gear and rocking it.Do you think i need a new battery or could it be the altonater?
Jun 9, 2009 at 8:48 PM
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DOCHAGERTY
  • ✓Experienced Mechanic
  • 9,606 POSTS
Battery age is a determining factor in the decision, if 5+ years then replace and check the alternator output as well. Too high and it will boil the water right off, it should not exceed 14.5 volts.
Jun 9, 2009 at 10:49 PM
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