Rebuilding m20...had some questions

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  • Supratreo
    Advanced Member
    • Aug 2016
    • 135

    #1

    Rebuilding m20...had some questions

    Hi, just a couple quick questions for you guys.
    I'm revealing a complete m20 and there are a couple things I wasn't sure about,
    1. When installing the timing belt, there's a small t belt driven pulley next to the crank, does this also need to be timed? Like an idiot I didn't mark it at all and if it's a balance shaft then they are usually timed.

    2. Is there supposed to be a gasket between the oil pump and block? I don't think this motor had one but it's a weird place to have a metal on metal seal.

    3. Do they sell a gasket for the coolant manifold that is mounted to the TB? I can probably make one but it's gonna be a PITA.

    Thanks for your help
  • digger
    R3V Elite
    • Nov 2005
    • 5926

    #2
    1) the other gear drives the pump so not timed (might be different on 323i though dont know)

    2) no gasket

    http://www.realoem.com/bmw/enUS/show...diagId=11_0446

    3) http://www.realoem.com/bmw/enUS/show...diagId=13_0334

    #21

    https://www.ecstuning.com/b-original...541285471~oes/
    89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

    new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

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    • Supratreo
      Advanced Member
      • Aug 2016
      • 135

      #3
      U the man. Thank you very much

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