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  4. Best way to drain an E30 fuel tank?

Best way to drain an E30 fuel tank?

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  • B
    B
    B C
    wrote on last edited by
    #2

    bmw-3series-e30-burnout.jpg

    Ask andyhundley, he just replaced his tank. If it were me, i would disconnect the downstream line on the fuel filter ( located just forward of the driver rear tire, and drain it into some buckets with the relay jumpered. I dont know the pins right off hand but I will research.

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    • andyhundleyA
      andyhundleyA
      andyhundley
      wrote on last edited by
      #3

      Thats a good story. my tank leaked and my gage was reading a 1/8th of a tank so i figured that it was near empty. once we dropped it and disconnected the filler neck hose, it poured roughly 10-12 gallons of gas on the ground. does that help at all? haha

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      • YoungCRY
        YoungCRY
        YoungCR
        wrote on last edited by
        #4

        I was gonna say I've dropped 1/2 full tanks before, which I know is never advised to do. Just take the extra precautions to make sure you don't start a fire.

        Chris Young
        BMWCCA #458972
        1986 528e/5  | 1994 530i/5 | 1995 540i/6 | 2013 X5 35d | 1998 C1500 Suburban | 1995 K2500 Suburban

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        • johnprusinskiJ
          johnprusinskiJ
          johnprusinski
          wrote on last edited by
          #5

          shouldn't there be a drain hole? i know there is one on my gas tank. if there isn't a drain hole just disconnect hoses and don't smoke.

          photo 9009199f-248f-4e1f-97a5-f8f5080c2595zpsjlacmxoi.jpg

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          • EarlE
            EarlE
            Earl
            wrote on last edited by
            #6

            johnprusinski said:

            shouldn't there be a drain hole? i know there is one on my gas tank. if there isn't a drain hole just disconnect hoses and don't smoke. 

            That is what I thought? Luckily you didn't need to use it and a jack stand did it for you=) Sorry John, couldn't resist

            museum sig 2earl.jpg

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            • johnprusinskiJ
              johnprusinskiJ
              johnprusinski
              wrote on last edited by
              #7

              Earl said:

              That is what I thought? Luckily you didn't need to use it and a jack stand did it for you=) Sorry John, couldn't resist

              yeah i know, i took the easy way out.

              photo 9009199f-248f-4e1f-97a5-f8f5080c2595zpsjlacmxoi.jpg

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              • ClassEC
                ClassEC
                ClassE
                wrote on last edited by
                #8

                I want sure if E30 were a "tank in pump" setup where the access/holes were on top of the tank, or if they used an inline filter that would use a bung on the tank (then I could just pull the send line and empty the tank).

                I'll look for a drain tonight then, unless some one can tell me a good way to jumper the pump relay )since I'm pulling the line into the filter anyways).

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                • J
                  J
                  jason89i
                  wrote on last edited by
                  #9

                  large tank e30's (with transfer tube and single in tank pump)  drain plug on the passenger side.  takes an allen. do not take off the transfer tube (below the driveshaft) as it will most likely crimp the tube. 

                  small tank e30's (dual pumps in tank ...one on each side)  should be on the same side.

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                  • andyhundleyA
                    andyhundleyA
                    andyhundley
                    wrote on last edited by
                    #10

                    my drain plug was stripped so we had to drop it down full of gas.

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                    • KaiserRollsK
                      KaiserRollsK
                      KaiserRolls
                      wrote on last edited by
                      #11

                      just be careful of fires

                      95095o.gif

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