Mystery M20 Bolt/Coolant?

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  • Wardie
    E30 Modder
    • Oct 2012
    • 824

    #1

    Mystery M20 Bolt/Coolant?

    So my engine guy gave me this bolt and said I was gonna need it. soooo yeah here it is and what is it?


    Schwarz 1985 325e
  • Andy.B
    E30 Mastermind
    • Sep 2011
    • 1650

    #2
    It looks like it is the fitting for the throttle body coolant return line that threads into the block, at the #6 cylinder, under the intake manifold.

    Number 28 in the diagram.

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    • Wardie
      E30 Modder
      • Oct 2012
      • 824

      #3
      Bam, thanks buddy. I've been staring at this for awhile surprised I didnt see it.

      Schwarz 1985 325e

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      • digger
        R3V Elite
        • Nov 2005
        • 5929

        #4
        that screws into the block near cyl 6 on the cold side of the engine

        number 28

        http://www.realoem.com/bmw/showparts...17&hg=11&fg=10

        edit: beaten to it...
        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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