engine running hotter?

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  • admiral awesome
    Noobie
    • Feb 2013
    • 21

    #1

    engine running hotter?

    Hey guys my engine has been running hot at like 3/4 on the gauge but before this the needle was bouncing around stopped. now it just goes up to 3/4 drops lowly and up everyonce and a while. Used to stay below 1/2 any imput would me appreciated thanks.

    Ps Been like this for 2 days
    sigpic
  • phenobarb1
    Advanced Member
    • Jul 2010
    • 105

    #2
    Tighten the 2 brass ground nuts on the back of the instrument cluster.

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    • EatsHondas
      E30 Addict
      • Sep 2012
      • 404

      #3
      Originally posted by phenobarb1
      Tighten the 2 brass ground nuts on the back of the instrument cluster.
      Agreed. One is for the fuel gauge and the other is your coolant temp. Might as well do both while you're there. Take the nuts off, clean them with an old toothbrush and electrical parts cleaner, and put them back on as tight as safely possible.

      I had the same problem as you OP, and doing the above fixed it completely.
      1989 325i Lachssilber Sedan
      5-Speed Swapped
      M30B35 Swapped
      MegaSquirt MS3X

      1987 325i Lachssilber Sedan
      260k OEM Automatic Daily Baby

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      • admiral awesome
        Noobie
        • Feb 2013
        • 21

        #4
        alright thanks guys ill do that this weekend :)
        sigpic

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