Coolant Light Question

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  • MattE30
    E30 Mastermind
    • Oct 2003
    • 1520

    #1

    Coolant Light Question

    So my check coolant light comes on....What exactly does the coolant sensor read? It happened since I got my new radiator and hoses, and it happens after the car has warmed to optimal temperature.

    97 Cosmos M3
  • Red325es
    Advanced Member
    • Oct 2003
    • 140

    #2
    coolant level.

    Comment

    • MattE30
      E30 Mastermind
      • Oct 2003
      • 1520

      #3
      the reservour was full when the light first came on.

      97 Cosmos M3

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