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Leaking fuel from injector seals? Need some help...

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    Leaking fuel from injector seals? Need some help...

    So I found a good deal on a 1989 325i coupe, and wanna go buy it tomorrow.
    The guy tells me that he just put in brand new injectors, but fuel is leaking out. He tells me that it's the seal to the second injector, and he's 100% sure that's the problem.

    I need to know if I'll be safe to drive this car home or not, because its about an hour drive from his place to mine.
    Also, is there anything I can do to stop the fuel flow to that injector? I would be fine running on 5 cylinders home. Would pulling the spark plug out from that injector help?

    I've never changed any injector seals, so what he's saying, is that even possible? Or is he just lying to sell the car?

    I need to know ASAP! I'm meeting him tomorrow at 10am(in 8 hours) and wanna know what I should do.

    #2
    Why would you pull spark plug??!

    Pull the injector wire from its socket. It wont stop the leak if its the top seal. But you should be fine for an hour drive anyway.

    Edit: I have never tried to change the seals with the intake manifold still on, but if you take it off its peace of cake.

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      #3
      Originally posted by atmobenzin View Post
      Why would you pull spark plug??!

      Pull the injector wire from its socket. It wont stop the leak if its the top seal. But you should be fine for an hour drive anyway.

      Edit: I have never tried to change the seals with the intake manifold still on, but if you take it off its peace of cake.
      So will pulling the injector wire help with anything?
      What can I do to stop the leak or atleast slow it down.

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        #4
        If its the bottom seal, it might stop the leak. If its the top seal, then there is really nothing you can do with out pulling the thing apart.

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          #5
          If I decide to drive it home, would that be a good idea? Would it be bad to drive it for an hour on the highway? Engine wouldn't set on fire, would it?

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            #6
            Originally posted by mother_russia View Post
            If I decide to drive it home, would that be a good idea? Would it be bad to drive it for an hour on the highway? Engine wouldn't set on fire, would it?
            Actually, E30s catch on fire fairly frequently these days due to leaks at the fuel rail.

            What you should do is fix the problem before driving the car. It *is* almost certainly an o-ring, so it is eminently repairable.
            2006 GMC Sierra 2500HD 4WD LBZ/Allison
            2002 BMW M3 Alpinweiß/Black
            1999 323i GTS2 Alpinweiß
            1995 M3 Dakargelb/Black
            - S50B32/S6S420G/3.91
            1990 325is Brilliantrot/Tan
            1989 M3 Alpinweiß/Black

            Hers: 1996 Porsche 911 Turbo Black/Black
            Hers: 1988 325iX Coupe Diamantschwartz/Black 5spd

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              #7
              Originally posted by nrubenstein View Post
              Actually, E30s catch on fire fairly frequently these days due to leaks at the fuel rail.

              What you should do is fix the problem before driving the car. It *is* almost certainly an o-ring, so it is eminently repairable.
              This^^ 100%

              If it was the bottom o ring it would cause a vacuum leak so its either the top oring...or since he just put in "new injectors" he may have cracked one. Its the same job either way so Id bring a replacement injector with new orings and do it before you drive anywhere.

              Here's what it looks like.
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              https://www.r3vlimited.com/board/sho...86#post4944786
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                #8
                You shouldn't drive any car with a fuel leak, but REALLY shouldn't drive a car with a fuel leak under the hood!

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                  #9
                  Originally posted by Cephas View Post
                  You shouldn't drive any car with a fuel leak, but REALLY shouldn't drive a car with a fuel leak under the hood!
                  Close...

                  You shouldn't drive any car with a fuel leak, but must NOT drive a car with a fuel leak under the hood!
                  The car makes it possible, but the driver makes it happen.
                  Jim Levie, Huntsville, AL

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                    #10
                    My injector leaked. Do not drive it! Even a small leak will cause a fire. A fuel leak can allow fumes I to the cabin and you can suffer from asphictiation(sp?)from the fuel. Is a 20 cent o-ring worth destroying g your car? I think not
                    85' 318i ~The Bronze Bomber (FrankenM10 with a Forced Future :wgaf:)

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                      #11
                      I think I know which car you're talking about, I was thinking about buying it if it wasnt auto lol. But yeah like others said, dont drive it like that, if anything just start it to make sure it runs and there are no other problems and throw it on a trailer....
                      Driving:1990 325iS, 2007 335i :devil:
                      past BMWs: 1987 325iS turbo, 1989 325i, 1995 525i, 2000 328CI, 2001 540i, 2008 135i

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