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318iS won't start!!!! Help diagnose my car!

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    318iS won't start!!!! Help diagnose my car!

    So my car wouldn't start a few weeks ago, and my friend helped me charge up my battery. That got the car running, and I replaced the battery with a new one that very same day. I am at college and I haven't driven the car since then. It has been about 3 weeks since then, and today I go to start my car.

    Same problem. the car cranks, but the more I try, the less juice it seems to have. Anyone else have this problem? I really need to fix this problem very soon!

    Anyone who is in the area and can help as well would be awesome. Thanks in advance.
    Reminiscing...

    #2
    Originally posted by M42Tecknik
    So my car wouldn't start a few weeks ago, and my friend helped me charge up my battery. That got the car running, and I replaced the battery with a new one that very same day. I am at college and I haven't driven the car since then. It has been about 3 weeks since then, and today I go to start my car.

    Same problem. the car cranks, but the more I try, the less juice it seems to have. Anyone else have this problem? I really need to fix this problem very soon!

    Anyone who is in the area and can help as well would be awesome. Thanks in advance.
    You've got a short somewhere that is draining the battery. Measure the amps at the battery. Start pulling fuses, when the amps drop you've found your culprit.

    James

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      #3
      Damn, that sucks. I'll check for that. This blows.

      Hard.

      Keep the diagnostic coming guys, anyone else run into this problem?
      Reminiscing...

      Comment


        #4
        dang sorry to hear about this dan. i agree with james though since it was a new battery and not used for 3 weeks.


        Mike Fritz

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          #5
          want a short term fix? disconnect the battery or put a disconnect switch if you're going to be letting it sit for a while

          Comment


            #6
            Originally posted by screamingbmwe30
            want a short term fix? disconnect the battery or put a disconnect switch if you're going to be letting it sit for a while
            I'll do that, but since when does a battery die out after three weeks?

            I'll check into the amps thing.
            Reminiscing...

            Comment


              #7
              it does that when there is a short... or the battery is bad

              Comment


                #8
                Lots of e30s seem to have parasitic drains on the battery. Mine had one, put a new battery in it and never let it sit for over a week without running, and I've never had a problem.

                I agree with the battery unhooking until you can figure out whats going on. If you want to catch up with me sometime I can throw the load tester on it, and read the amperage as well.
                Old and improved:

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