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Thread: Coolant Level message won't go away...

  1. #1
    Join Date
    Jan 2004
    Location
    Midlothian, Texas
    Posts
    133

    Default Coolant Level message won't go away...

    About six weeks ago I replaced the radiator on my wife's '95 525. While I was at it I replaced the hoses and belts. I have refilled it and bled the system, but the "Coolant Level" message comes on whenever you start the car. It never overheats and the actual coolant level in the tank has stayed very consistant. I've checked the wires and re-bled the system sevaral times but still get the warning message.
    Anyone have any ideas about this?
    Mark Hall
    '95 525iA EAT chipped (just one now )
    '98 528iA

  2. #2
    Join Date
    Jan 2004
    Posts
    4,150

    Default Its the level sensor... One of my customers has one that I replace

    about once a year... I've gotten 2 for it in the last couple of years from Patrick at bma.






    Quote Originally Posted by Hallmark
    About six weeks ago I replaced the radiator on my wife's '95 525. While I was at it I replaced the hoses and belts. I have refilled it and bled the system, but the "Coolant Level" message comes on whenever you start the car. It never overheats and the actual coolant level in the tank has stayed very consistant. I've checked the wires and re-bled the system sevaral times but still get the warning message.
    Anyone have any ideas about this?

  3. #3
    Join Date
    Dec 2003
    Location
    Austin, TX
    Posts
    1,181

    Default

    Seems that these are a common failure on the E34. Not a hard replacement.
    1995 540iA M-Sport - 76k miles. 1 of 1 auto AW3 cars.
    1995 540i/6 - Misc Parts donor for above.

  4. #4
    Join Date
    Jan 2004
    Location
    Midlothian, Texas
    Posts
    133

    Default Is that the one at the bottom of the tank or the one on the side?

    Quote Originally Posted by Bill R.
    about once a year... I've gotten 2 for it in the last couple of years from Patrick at bma.
    Mark Hall
    '95 525iA EAT chipped (just one now )
    '98 528iA

  5. #5
    Join Date
    Jan 2004
    Posts
    4,150

    Default 13 as seen here.






















  6. #6
    Join Date
    Dec 2003
    Location
    Austin, TX
    Posts
    1,181

    Default

    the one on the side is the coolant temp sensor, the bottom one is the level. Or if you have a 535 or a V8, it's up by the firewall i believe (am i wrong?)
    1995 540iA M-Sport - 76k miles. 1 of 1 auto AW3 cars.
    1995 540i/6 - Misc Parts donor for above.

  7. #7
    Join Date
    Jan 2004
    Posts
    4,150

    Default Sorry, the one on the side is the temperature controlled electric fan switch, the

    coolant temp sensor is on the engine





    Quote Originally Posted by bimmerd00d
    the one on the side is the coolant temp sensor, the bottom one is the level. Or if you have a 535 or a V8, it's up by the firewall i believe (am i wrong?)

  8. #8
    Join Date
    Jan 2004
    Location
    Midlothian, Texas
    Posts
    133

    Default Thank you, I'll get a replacement.

    Quote Originally Posted by Bill R.
    Mark Hall
    '95 525iA EAT chipped (just one now )
    '98 528iA

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