fuel pump removal

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  • CorvallisBMW
    Long Schlong Longhammer
    • Feb 2005
    • 13039

    #1

    fuel pump removal

    On an '88 325iS, can it be replaced by removing the the rear seat and accessing it from there, or does the tank have to come out? thanks.

    Darin
  • kowalski
    E30 Mastermind
    • Jan 2005
    • 1791

    #2
    depends on which pump yout alking about, but the one in the tank is do-able by removing the seat.

    Comment

    • CorvallisBMW
      Long Schlong Longhammer
      • Feb 2005
      • 13039

      #3
      Originally posted by kowalski
      depends on which pump yout alking about, but the one in the tank is do-able by removing the seat.
      Is there more than one pump?

      Comment

      • lordofthewaters
        Mod Crazy
        • Oct 2005
        • 714

        #4
        fuel pump

        The older E30's I think 87 back (I'm not positive) had 2 a transfer pump in the tank and another that I guess you'd call an "in line" pump behind the tank in front of the rear wheel. I have and 89 325i and no sign of any "in line pump".
        Just pop my back seat out unscrew a few nuts, and lift it out.

        Sarcasm is a body's natural defense against stupid.
        When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's £3.95 per minute.
        "My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson"
        Old age and treachery will always overcome youth and skill.



        Comment

        • lordofthewaters
          Mod Crazy
          • Oct 2005
          • 714

          #5
          not nuts but screws.

          Sarcasm is a body's natural defense against stupid.
          When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's £3.95 per minute.
          "My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson"
          Old age and treachery will always overcome youth and skill.



          Comment

          • AdamF 88iS
            R3VLimited
            • Oct 2003
            • 2051

            #6
            1988 and up only have a single intake pump. You can remove it in the car from under the seat.

            87 and down have dual pumps.
            Adam Fogg- '88 M3

            Common sense- It's the new 'gifted'

            Comment

            • DarkWing6
              Moderator
              • Apr 2004
              • 7144

              #7
              1) Pop out rear seat
              2) Pull back padding/cover
              3) Take out 4 screws holding the cover (cover is black thing on pass side)
              4) Pull off lines (be careful, some gas may be in the lines)
              5) Twist pump to remove
              6) Pull out pump carefully

              To put back in do steps in reverse.
              sigpic

              Comment

              • kowalski
                E30 Mastermind
                • Jan 2005
                • 1791

                #8
                Originally posted by lordofthewaters
                not nuts but screws.
                they are nuts... there is 4 of them. on the tank

                4 screws to remove the hatch.

                Comment

                • platanos
                  E30 Addict
                  • Apr 2008
                  • 459

                  #9
                  Originally posted by DarkWing6
                  1) Pop out rear seat
                  2) Pull back padding/cover
                  3) Take out 4 screws holding the cover (cover is black thing on pass side)
                  4) Pull off lines (be careful, some gas may be in the lines)
                  5) Twist pump to remove
                  6) Pull out pump carefully

                  To put back in do steps in reverse.

                  I have a 1990 ic. When I twist the pump and lift up, I can only get about an inch out of it. It seems to get stuck. I tried wiggling the shit out of it in every direction. Still won't come out.
                  ~Fernando

                  Comment

                  • E30SPDFRK
                    Moderator
                    • Jul 2007
                    • 5690

                    #10
                    Originally posted by platanos
                    I have a 1990 ic. When I twist the pump and lift up, I can only get about an inch out of it. It seems to get stuck. I tried wiggling the shit out of it in every direction. Still won't come out.
                    You need to remove the fuel sender first, then the pump assemble twists out.
                    Byron
                    Leichtbau

                    Comment

                    • platanos
                      E30 Addict
                      • Apr 2008
                      • 459

                      #11
                      So how do I remove the sender?
                      ~Fernando

                      Comment

                      • Jean
                        Moderator
                        • Aug 2006
                        • 18228

                        #12
                        ?? look at it, remove four nuts that hold it to the fuel pump assembly.
                        Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



                        OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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