Fuel Injector Questions

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  • aaron_silva
    E30 Mastermind
    • Oct 2003
    • 1785

    #1

    Fuel Injector Questions

    I am replacing the o-rings on my injectors (17.5 #/hr) from an M50. I have 2 questions:

    1) Should the green "cap" slide of to replace the o-ring nearest the yellow whasher? If not, what is the easiest way to replace the o-ring?

    2) If some of the cap have been damaged, is the injector bad? I dont see how it would effect performance. See crappy pic below:



    Are there replacement tips?

    Thanks

    Aaron
  • nando
    Moderator
    • Nov 2003
    • 34839

    #2
    get replacement caps, they are extremely cheap. new caps and o-rings will be around $10, I got mine at napa.
    Build thread

    Bimmerlabs

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    • arsevader
      E30 Enthusiast
      • May 2005
      • 1025

      #3
      Originally posted by nando
      get replacement caps, they are extremely cheap. new caps and o-rings will be around $10, I got mine at napa.
      How do you remove the old caps? Just pry them off? Mine are all shot to hell.

      James

      Comment

      • nando
        Moderator
        • Nov 2003
        • 34839

        #4
        yeah, my old ones just broke apart. might be a good idea to get the new ones first though, just bring in one of the inejctors so they can match it with the proper caps.
        Build thread

        Bimmerlabs

        Comment

        • aaron_silva
          E30 Mastermind
          • Oct 2003
          • 1785

          #5
          Thanks for the info.

          Aaron

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