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interchangeable fuel pumps?

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    #1

    interchangeable fuel pumps?

    my 89 325i is in need of a new intank fuel pump..i'm sure i don't need to tell you they're expensive.

    i have sourced a FREE one from a local member on another board, but his is out of an 86 325e. According to my bentley manual, the fuel system was tweaked slightly between 87-88, will the intank fuel pump from his 86 325e work in my 89 325i?

    sorry to create a new thread, i searched forever but came up with nothing.

    thanks!!
    ____________
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    #2
    Nope.

    edit: not easily. Physically it should fit but you would need to rewire the plug and run a new return line to the pump.
    Byron
    Leichtbau

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      #3
      newer 6 cylinder mustang pump will fit , its about 90.00 bucks brand new too.
      sigpic
      mods: just meat and potatoes under the hood and wheaties on fire out back ;)

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        #4
        1996 to be exact.
        sigpic

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          #5
          Originally posted by TS87325IS View Post
          newer 6 cylinder mustang pump will fit , its about 90.00 bucks brand new too.
          Originally posted by mattdk318i View Post
          1996 to be exact.
          Really?

          I was talking to a friend at a meet yesterday and he mentioned something about this... do you guys have any more details? I appreciate any advice.

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            #6
            I only know because i spent 2 hours in oreillys trying to find a fuel pump that would get us back home and would work with the M20s fuel injectors and FPR.(stock one was special order)
            ended up being a 96 ford mustang V6. It was a little short but it works fine. It was a Click-Vroom situation. Has been running strong for about 2 months with no probs.
            sigpic

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              #7
              The 1986 pump will not work. It is a 4.5 psi pump. Yours is a 45 psi pump. Your engine won't run on 4.5 psi. The 1986 runs on 4.5 psi because it has an additional 45 psi pump, which is mounted under the driver's seat.

              However, I need the 1986 pump. Mine is dead. Can you tell me who has one?

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                #8
                He is a member on bf.c , not sure if he's on this board.

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                  #9
                  i just replaced my fuel pump in my 90 325 I
                  looked like this (not my pic but exactly the same)


                  I replaced it with what i thought was the same part but the one i got from the dismantler was a little different I'm not sure if this is what your referring to but it looked like this

                  it fit right in and the car runs fine no problems at all
                  it does bug me thats it was not the same and i had wondered if it would work in the long-run but i guess i just never think about it anymore ya know if it aint broke and all
                  sigpic

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