ianwh4 Posted November 24, 2025 Share Posted November 24, 2025 Greetings everyone, The temperature gauge of the x5 e53 M54 3.0i does not exceed the first quarter mark; however, when stationary at idle, it rises to the halfway point. While driving, it descends back to the first quarter or around the cold blue mark, and the vehicle emits lukewarm air, however it operates OK. Any assistance or guidance would be much valued. Thank you, everyone. Quote Link to comment Share on other sites More sharing options...
br1anuk Posted November 24, 2025 Share Posted November 24, 2025 The thermostat is malfunctioning and requires replacement. Quote Link to comment Share on other sites More sharing options...
EatSuru Posted November 24, 2025 Share Posted November 24, 2025 I concur with br1anuk. Quote Link to comment Share on other sites More sharing options...
Howard_silver Posted November 24, 2025 Share Posted November 24, 2025 😇 Quote Link to comment Share on other sites More sharing options...
ianwh4 Posted November 24, 2025 Author Share Posted November 24, 2025 Thank you, everyone. I replaced the water pump; but, it was a novice mistake not to replace the thermostat simultaneously. That is my oversight. I will modify it over the weekend. Thank you once more for your prompt assistance; it is greatly appreciated Quote Link to comment Share on other sites More sharing options...
ianwh4 Posted November 24, 2025 Author Share Posted November 24, 2025 🙃 Quote Link to comment Share on other sites More sharing options...
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