E39 overheating? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 08-02-2004, 12:02 PM
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Yesterday I got a automatic car wash and as I was driving away the temperature gauge went straight into the red. After a couple of minutes, while driving home, it went back to normal and then back again. I got no CEL so there is no code for me to check. I seem to remeber reading a tech article in Roundel that mentions an eratic temp gauge problem with the E39. Any thoughts?
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#2 (permalink) Old 08-02-2004, 02:37 PM
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chagousa is an unknown quantity at this point
I'm having the same problem.
Did you find out why this is happening???

please let me know
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#3 (permalink) Old 08-03-2004, 10:07 AM
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This happen to me as well,
one time i have to turn the car off so that it cool,
but i don't remember driving in a heavy traffic.

I owned an 1997 528I ( I think this is an E39 too)
it is showned E39 on my cd changer.

Nguyen
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#4 (permalink) Old 08-03-2004, 05:02 PM
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slowlane is an unknown quantity at this point
I have a 2000 528I. I had the same problem. The dealer changed the thermostat and I haven't had a problem since.
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#5 (permalink) Old 08-09-2004, 02:16 PM
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Update: Well since the car has 93,000mi on it I changed out he thermostat and water pump - changed the belts too while I was there. The parts are fine. The thermostat works fine (drop it in boiling water). And the pump has metal impellers - which would be plastic if it was original, it also turned fine. So it's either the sensor or the gage or voltage interference.

Suggestions welcome. ghead
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#6 (permalink) Old 08-09-2004, 02:52 PM
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Skipper5 is an unknown quantity at this point
have you checked the thermostat housing for leaks? or the whole cooling system? check the level on the radiator too to see if you're losing excessive amounts of water. good luck.

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