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    #1

    No Fuel

    alright here is the issue

    the car is running fine 99% of the time except yesterday and today im haveing a no fuel issue.

    yesterday the car sat after being driven to philly, it sat for 8 hrs when igot to it, it would crank but i was getting no fuel. Check everything, nothing was working, tapped on the pump. Started right up...

    tonight happened again except it started, then we shut it off, went to start it 10 minutes later, it started, i pushed my fan button cause i was gonna let it idol, the sudden draw made the car stall cause it was to soon after starting, and then i had the no fuel issue again and it wouldnt start.

    tapped on the pump... nothing...

    cliffs
    sat 8hrs, no start, tapped on pump, start
    sat 5 hrs, started, shut off, started 10 mins later, stalled, no start, tapped on pump, nothing

    hopes this makes sense, im gonna go pick up the car in the morning

    85 325e body
    87 535is m30b34 motor, harness and ecu
    stock external fuel pump, brand new

    TIA

    Need Illustration or Design work? www.robbiebyerly.com
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    #2
    Bad fuel pump?
    ///Monstrosity. (OO≡≡[][]≡≡OO)

    Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.

    Comment

      #3
      Hows the connection at the pump? Maybe try a spare fuel pump relay too.

      It sounds like the fuel pump could be bad since you tapped on it and it started working, but that could be coincidence I suppose... Where'd you buy it? They might warranty it if it hasn't been too long.
      '88 528e /// '88 M5 /// '89 951 /// '98 E430 /// '02 M5

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        #4
        i got it from bimmerparts, so i'll talk to chris cause its been less then a year.

        thing is tho im not hearing anything from either pump external or internal...

        i feel like hitting it was just luck

        which relay is the fuel pump?

        Need Illustration or Design work? www.robbiebyerly.com

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          #5
          The fuel pump relay is right next to the main relay, attached to the fuse box on the outside (on the E24s and E28s at least). The main relay has 5 pins and the fuel pump relay has 4. Also check your fuses! I had a bad fuse kill the fuel pumps once in my 533i and I went through a lot of hassle before I thought to check for that.
          '88 528e /// '88 M5 /// '89 951 /// '98 E430 /// '02 M5

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            #6
            checked the fuses twice now, and i mean it ran between the issue which is the strange part, im gonna go replace the relay now, ill be back

            Need Illustration or Design work? www.robbiebyerly.com

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              #7
              just replaced all three relays and checked all the fuses again, also checked the connection at the pump, seems tight, just power and ground right

              still nothing...

              Need Illustration or Design work? www.robbiebyerly.com

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