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Coolant Indicator Light

Discussion in 'DIY (Do-It-Yourself)' started by 391075, Oct 27, 2019.

    • Member

    391075

    Post Count: 83
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    The coolant indictor light randomly appears on my E83 (X3). It seems to illuminate more often when the heat is turned to a certain temp and shuts off when the heat is lowered. It also will appear on increased acceleration /load such as driving up hill. The coolant level appears full according to the pop-up indicator. The engine temperature gauge does not indicate overheating. I'm thinking potential causes include sensor, thermostat, water pump (?). Comments much appreciated
    • Member
    • Technical Service Advisor

    charlson89

    Post Count: 2,302
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    The level sensor could be the issue. The sensor is on the bottom of the expansion tank. The sensors are cheap and I would start there. I have seen them leak coolant through the wiring and cause weird issues.
    • Member

    391075

    Post Count: 83
    Likes Received:3
    Thank you for replying. I will start with the level sensor.

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