Radiantecon Posted February 24 Share Posted February 24 Greetings, everyone. I am not knowledgeable about BMWs. I have a 2007 E60 520d with a non-functioning radiator fan. I replaced it with a second one, but the issue persists. I suspect it may be related to the coolant sensor, but I am unsure of its position. Any assistance would be much appreciated. Thank you. Link to comment Share on other sites More sharing options...
MagicPod Posted February 24 Share Posted February 24 Have you tested it with the air conditioning running? They seldom activate during regular drive, but when the air conditioning is on, it should operate continuously. Link to comment Share on other sites More sharing options...
Radiantecon Posted February 24 Author Share Posted February 24 I attempted to use the air conditioning system, but it would not work. A buddy examined it using a Snap-on diagnostic tool, but the issue was still not resolved. Link to comment Share on other sites More sharing options...
Inspirli Posted February 24 Share Posted February 24 Is the engine reaching the temperature necessary for the cooling fan to operate? What is your operating temperature? Link to comment Share on other sites More sharing options...
Radiantecon Posted February 24 Author Share Posted February 24 I apologise for my lack of knowledge. How can I get the engine temperature on the display? Link to comment Share on other sites More sharing options...
Inspirli Posted February 24 Share Posted February 24 I cannot recall how to reach the secret menu since I rely on OBD equipment. You may get instructions on how to access the secret menu by doing a Google search. Considering the age of your automobile, I suspect that the low operating temperature is caused by faulty thermostats, which is a regular issue. Link to comment Share on other sites More sharing options...
Radiantecon Posted February 24 Author Share Posted February 24 Could the lack of gas in the air conditioning system prevent the fan from working when I turn it on? Link to comment Share on other sites More sharing options...
Inspirli Posted February 24 Share Posted February 24 If the air conditioning system is not working, the fan will not operate when the air conditioning is turned on. Link to comment Share on other sites More sharing options...
Radiantecon Posted February 24 Author Share Posted February 24 Will it operate with a faulty thermostat if I test it with diagnostics? Link to comment Share on other sites More sharing options...
Radiantecon Posted February 24 Author Share Posted February 24 After doing a Diag check, I received error code 4a66 related to power management. Is it possible that this error is due to the battery and might it be causing more problems with the fan? Link to comment Share on other sites More sharing options...
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