Thermostat M42

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  • DrtyE30
    Mod Crazy
    • Oct 2010
    • 656

    #1

    Thermostat M42

    So this is my first M42 and i'm about to do a thermostat on it, I have a paper gasket and an o-ring gasket. With that setup do i still need to put rtv on the paper gasket??

    91 318is M50 swap
    89 325ic
    12 WRX Daily
    86 325e Sold
    88 325is (Parted out)
    06 330XI (Sold)
    91 318is-M20 turbo Sold :(
    91 318ic (Sold)
    87 528e (Sold)
    93 318is E36 (Parted out)
    92 325ic (Parted out)
    94 325i E36 (Sold)
    88 325ix (Sold)





    Click my Signature to see the build!!^
  • KenC
    King of Kegstands
    • Oct 2003
    • 14396

    #2
    I use RTV instead of the paper. Make sure to closely follow the directions for it.
    Originally posted by Gruelius
    and i do not know what bugg brakes are.

    Comment

    • DrtyE30
      Mod Crazy
      • Oct 2010
      • 656

      #3
      Do you know where I can find these directions?

      91 318is M50 swap
      89 325ic
      12 WRX Daily
      86 325e Sold
      88 325is (Parted out)
      06 330XI (Sold)
      91 318is-M20 turbo Sold :(
      91 318ic (Sold)
      87 528e (Sold)
      93 318is E36 (Parted out)
      92 325ic (Parted out)
      94 325i E36 (Sold)
      88 325ix (Sold)





      Click my Signature to see the build!!^

      Comment

      • KenC
        King of Kegstands
        • Oct 2003
        • 14396

        #4
        On the RTV package.
        Originally posted by Gruelius
        and i do not know what bugg brakes are.

        Comment

        • DrtyE30
          Mod Crazy
          • Oct 2010
          • 656

          #5
          Ha I though you meant directions on the thermostat, by the way do you know if there is a special way to flush the system. I don't know if I have a blockage or something but it seems to take a lot of pressure to get any coolant out of the petcock, and only like a half gallon came out when I know their is more in there...

          91 318is M50 swap
          89 325ic
          12 WRX Daily
          86 325e Sold
          88 325is (Parted out)
          06 330XI (Sold)
          91 318is-M20 turbo Sold :(
          91 318ic (Sold)
          87 528e (Sold)
          93 318is E36 (Parted out)
          92 325ic (Parted out)
          94 325i E36 (Sold)
          88 325ix (Sold)





          Click my Signature to see the build!!^

          Comment

          • bmwm42
            R3V OG
            • Nov 2010
            • 6300

            #6
            There is one on the side of the block pass side
            Originally posted by bmwm42
            PNW vulture pm me for parts
            Strategic nw e30 command

            Comment

            • DrtyE30
              Mod Crazy
              • Oct 2010
              • 656

              #7
              Originally posted by bmwm42
              There is one on the side of the block pass side
              Another what, petcock?

              91 318is M50 swap
              89 325ic
              12 WRX Daily
              86 325e Sold
              88 325is (Parted out)
              06 330XI (Sold)
              91 318is-M20 turbo Sold :(
              91 318ic (Sold)
              87 528e (Sold)
              93 318is E36 (Parted out)
              92 325ic (Parted out)
              94 325i E36 (Sold)
              88 325ix (Sold)





              Click my Signature to see the build!!^

              Comment

              • DrtyE30
                Mod Crazy
                • Oct 2010
                • 656

                #8
                Click image for larger version

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                Is that what your talking about, right above the a/c compressor and on the timing cover?

                91 318is M50 swap
                89 325ic
                12 WRX Daily
                86 325e Sold
                88 325is (Parted out)
                06 330XI (Sold)
                91 318is-M20 turbo Sold :(
                91 318ic (Sold)
                87 528e (Sold)
                93 318is E36 (Parted out)
                92 325ic (Parted out)
                94 325i E36 (Sold)
                88 325ix (Sold)





                Click my Signature to see the build!!^

                Comment

                • KenC
                  King of Kegstands
                  • Oct 2003
                  • 14396

                  #9
                  No, thats the chain tensioner cap.

                  The block drain is under the headers.
                  Originally posted by Gruelius
                  and i do not know what bugg brakes are.

                  Comment

                  • DrtyE30
                    Mod Crazy
                    • Oct 2010
                    • 656

                    #10
                    At the back between the heat shield and a freeze plug right?

                    91 318is M50 swap
                    89 325ic
                    12 WRX Daily
                    86 325e Sold
                    88 325is (Parted out)
                    06 330XI (Sold)
                    91 318is-M20 turbo Sold :(
                    91 318ic (Sold)
                    87 528e (Sold)
                    93 318is E36 (Parted out)
                    92 325ic (Parted out)
                    94 325i E36 (Sold)
                    88 325ix (Sold)





                    Click my Signature to see the build!!^

                    Comment

                    • monty23psk
                      E30 Fanatic
                      • Mar 2008
                      • 1289

                      #11
                      On block between cylinder 3 and 4 is the block drain plug. Believe it is 17mm. Easier to get to it from underneath.
                      Alex 88 m5 | 91 318is | 19 Subaru Ascent
                      BMW Tool Rentals & Fender Roller

                      Comment

                      • DrtyE30
                        Mod Crazy
                        • Oct 2010
                        • 656

                        #12
                        All went well thank you guys for the help!!

                        91 318is M50 swap
                        89 325ic
                        12 WRX Daily
                        86 325e Sold
                        88 325is (Parted out)
                        06 330XI (Sold)
                        91 318is-M20 turbo Sold :(
                        91 318ic (Sold)
                        87 528e (Sold)
                        93 318is E36 (Parted out)
                        92 325ic (Parted out)
                        94 325i E36 (Sold)
                        88 325ix (Sold)





                        Click my Signature to see the build!!^

                        Comment

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