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Thread: 520i will crank, won't start. Bad battery?

  1. #1
    Join Date
    Sep 2005
    Location
    Germany
    Posts
    5

    Default 520i will crank, won't start. Bad battery?

    Went out to start ole' Betsy, 520i, this morning, and it wouldn't start. It chugged for about 1-2 seconds but then died. You can hear it firing occasionally when I crank it now, but it won't continue. I got 6-7 tries before the battery started getting noticably weaker. I went out a little while ago and only got about 3 tries before it started cranking slower, so the battery is obviously weak. Would the weak battery, though, be the cause of the original problem, i.e car not starting? The motor would crank, but not fire consistently. Just trying to eliminate the easy stuff first.

  2. #2
    Join Date
    Aug 2005
    Location
    West Portland, OR
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    1,436

    Default

    lol hold down the gas pedal all the way? Happened to me solution was as simple as that but I doubt it is for you too, I guess u could try ya? good luck
    EuroLux:. Private Detail
    E34 1/'89 ///M20 2.5i: Lachsilber

  3. #3
    Join Date
    Sep 2005
    Location
    Germany
    Posts
    5

    Default update

    Thanks for the tip, but I finally got it to start this afternoon. Had to jump it off my wife's minivan (ugh!). It took several tries, and even after I got it running, it was very rough for several minutes. I let it run for 10 minutes, then shut it down and restarted it. Everything seemed fine then. I was thinking it might be the battery going bad and getting too little juice to the ignition, but it had enough to easily turn over the motor, for at least for 4-5 tries anyway. Fuel pump/fuel filter maybe? Guess I'll see what happens tomorrow morning when I go out to start it.

  4. #4
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,754

    Default

    sounds like you would be safer buying another battery.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

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