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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 08-24-2011, 10:41 PM
HmHRemd HmHRemd is offline
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Location: Los Angeles
 
Join Date: Apr 2011
Posts: 10
Mein Auto: E36 M3
Running too cool

my 98 E36 M3 has been running cool for about 3 years. I always suspected that the previous owner had placed a lower temp thermostat. Just took the thermostat out and its a 88 degree.
What could cause a car to run cool?
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  #2  
Old 08-24-2011, 10:45 PM
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drive by72 drive by72 is offline
I feed trolls
Location: Snowy Wisconsin
 
Join Date: Nov 2010
Posts: 4,951
Mein Auto: 3 series
Bad thermostat. Its stuck open causing coolant to go through the radiator when its cold, which shouldnt be happening. Therefore the coolant can never get as hot as it should because, well, its never given the chance to warm up in the block. Replace tstat.


/thread
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  #3  
Old 08-24-2011, 10:48 PM
HmHRemd HmHRemd is offline
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Mein Auto: E36 M3
thank you
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  #4  
Old 08-24-2011, 11:27 PM
Eight Thirty Eight Thirty is offline
nothing.
Location: Rochester, Ny
 
Join Date: Jan 2009
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Mein Auto: 328xi
better gas mileage after you change it too.

guarantee it*


*Disclaimer:I dont guarantee ****!!!
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  #5  
Old 08-25-2011, 09:36 AM
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ZeGerman ZeGerman is online now
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Location: Seattle, WA
 
Join Date: Mar 2009
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Mein Auto: 1998 BMW 328is
You should have fixed it 3 years ago. Running cool is bad for your 02 sensors, etc. But yes, it's a stuck t-stat. My car had the same problem.
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