S54 OFH questions

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  • justin_l_
    E30 Enthusiast
    • Jun 2007
    • 1079

    #1

    S54 OFH questions

    What is the open hole in the second picture for, pressure switch? Also what are the threads in the cooler ports?
  • dude8383
    Forum Sponsor
    • Jan 2005
    • 10387

    #2
    Yep, thats for the low oil pressure light on your cluster.
    IG: deniso_nsi Leave me feedback here

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    • justin_l_
      E30 Enthusiast
      • Jun 2007
      • 1079

      #3
      After a little searching, I don't think the oil cooler ports are threaded. Can anybody confirm. The one I have here has AN fittings in it, but it looks like they are JB welded into the housing now that I look closer.

      One of the fittings is broken off, seems like somebody tried to loosen it and sheared it off. Is there anything in there that will be melted if I take a torch to it and heat it? I haven't pulled it off yet, and have never had one off to look at.

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      • 328ijunkie
        Forum Sponsor
        • May 2007
        • 3961

        #4
        Theyre not threaded. Turner and others sell AN adapters.

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        • justin_l_
          E30 Enthusiast
          • Jun 2007
          • 1079

          #5
          This one is. Somebody must have threaded it for NPT. It has an NPT to AN fitting setup. If you don't run a oil cooler do you have to complete the circuit of the two ports or can you cap them off till a later date?

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