Random overheated msg? Looking for some insight.
12-13-2011, 06:40 AM
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So I'm driving yesterday fairly spiritedly for abt 5 min. I get off the highway and I get the "engine overheated" msg. I pull over and notice I do not hear the auxiliary fan that is associated with a hot car. Let the car sit turn it back on, no msg and still no fan. Weird to me so I then drive hard to see if the fan cuts on it does and no overheating msg. I need a new radiator because mine leaks(ordered yesterday ironically) and a new battery. Car wasn't low on coolant and I had my cooling system done earlier this year(water pump thermostat). Further more i put my car up to a GT1 and showing no errors. Any idea what this could be? Thanks for your input 
12-24-2011, 03:29 PM
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Oil Level Sensor... Had the same issue on mine..no fan, new thermostat and waterpump, as well as temp sensor. Apparently this is a known issue with the E60..The Oil level sensor sending false signals to DME.
12-25-2011, 09:11 AM
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Nope changed that recently, sorry forgot to mention that. It happened again the other night so I opened the expansion tank, it was a little low but it didnt even bubble over theres no way the car couldve been hot if I was able to open that with ease
12-29-2011, 06:31 PM
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Happened again, the fan didn't come on, this time under fairly heavy load but not at all while I was driving all day. When the overheated MSG comes up I get a rough idle no SES light but im thinking thermostat? I really could use some help guys
12-29-2011, 06:38 PM
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Hey I mistook your post for the oil PRESSURE sensor which is diff from from the oil LEVEL sensor pls do tell me more
12-29-2011, 06:46 PM
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My Ride: E60 530d
Use this and get to menu number 7 and check what readout it gives for a cold engine (to check the thermometer's not broken). Then drive around and see what kind of temperatures you get.
12-29-2011, 06:47 PM
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Use this and get to menu number 7 and check what readout it gives for a cold engine (to check the thermometer's not broken). Then drive around and see what kind of temperatures you get.
12-29-2011, 06:50 PM
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My Ride: E60 530d
also, open the cap to the expansion tank, start the engine and see if water is actually circulating/returning from the top most hose (i think this applies for petrol as well).
12-29-2011, 07:45 PM
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Use this and get to menu number 7 and check what readout it gives for a cold engine (to check the thermometer's not broken). Then drive around and see what kind of temperatures you get.
Edit: got it went on a very spirited drivebfor abt 15 mims' no msgs and the coolant temp ranged from 85-110 celcius