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  4. My M42 Carnage...

My M42 Carnage...

Scheduled Pinned Locked Moved Members BMWs
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    Boris3
    wrote on last edited by
    #2

    Ouch, sorry about the carnage!

    Any sense of when the tensioner and chain were last changed or warning/symptoms chain rattle etc before it went?

    1990 325i racecar (ITS, former Spec E30); 2004 330i ZHP

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      Derflaminflitzer
      wrote on last edited by
      #3

      No idea if they were ever changed honestly. It just happened out of nowhere. Im just assumimg the tensioner went and it took the idler out from the slapping of the chain but who knows for sure the series of events? I have read about this happening and it sounds like its from lack of tensioner replacement.

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        Boris3
        wrote on last edited by
        #4

        Hate surprises especially ugly ones.

        Reason I asked is my 1991is has been quiet and running fine but I also have no sense of when things were changed last. 235k on the odometer when I bought it last fall and I've tracked down four prior owners going back 8 years to 160k none of which had touched the tensioner, chain, etc. Lower oil pan was clean with no metal or other bits when I replaced it.

        1990 325i racecar (ITS, former Spec E30); 2004 330i ZHP

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        • B
          B
          B C
          wrote on last edited by
          #5

          That's a real bummer, sorry to see that happened. Glad you at least made it home, seems kind of miraculous!

          This is exactly the sort of thing that comes to mind when I hear people say that they got rid of an M20 because they dont want to deal with timing belts.

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            Derflaminflitzer
            wrote on last edited by
            #6

            Boris...DO it! Tensioner takes five minutes and its like $30.

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              Derflaminflitzer
              wrote on last edited by
              #7

              Snap said:

              That's a real bummer, sorry to see that happened. Glad you at least made it home, seems kind of miraculous!

              This is exactly the sort of thing that comes to mind when I hear people say that they got rid of an M20 because they dont want to deal with timing belts.

              timing belts sounds like my best friend right now haha

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              • EarlE
                EarlE
                Earl
                wrote on last edited by
                #8

                If someone does a tensioner, I would recommend going to the m44 tensioner. It is superior and much easier to install.

                http://www.ecstuning.com/ES22204/

                museum sig 2earl.jpg

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                  Boris3
                  wrote on last edited by
                  #9

                  M44 tensioner it is. Thanks.

                  1990 325i racecar (ITS, former Spec E30); 2004 330i ZHP

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                  • DrLeadFootD
                    DrLeadFootD
                    DrLeadFoot
                    wrote on last edited by
                    #10

                    Are you sticking with the m42?

                    15924991875a64c599885m.jpg

                         @DrLeadFoot

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                    • EarlE
                      EarlE
                      Earl
                      wrote on last edited by
                      #11

                      He is=)

                      museum sig 2earl.jpg

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                        Derflaminflitzer
                        wrote on last edited by
                        #12

                        I bought an m42 off craigslist....I need to drive my car since I have been bumming rides off everyone I know haha lets just hope it runs huh? Ill let you all know this weekend I hope

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                          Boris3
                          wrote on last edited by
                          #13

                          Boris3 said:

                          M44 tensioner it is. Thanks.

                          New m44 tensioner installed. Should have done a comparison picture. Decompressed it was about 1/4" longer than the old one. Model differences aside it makes me wonder how old the one I took out was.

                          1990 325i racecar (ITS, former Spec E30); 2004 330i ZHP

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