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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 02-26-2017, 10:50 PM
alex.gedert alex.gedert is offline
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Location: Oregon
 
Join Date: Feb 2017
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Mein Auto: 325i
Check coolant level

Hi, I have a 1994 BMW 325i and it shows "check coolant level" but when I check my coolant, it has enough coolant/antifreeze fluid in it. So would it be the sensor failure for the coolant ?



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  #2  
Old 02-26-2017, 10:54 PM
Ginge__ Ginge__ is offline
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Location: Detroit Metro, MI
 
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Posts: 25
Mein Auto: E36 323is
The expansion tank is split down the middle, I had mine look full and got the same issue. The other side is hard to see from the cap. You can try filling it to the split line, or through the bleeder screw hole. Otherwise it could be your sensor, though I'm not sure how common a failure is with those.

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Old 02-27-2017, 06:43 AM
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ZeGerman ZeGerman is online now
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Location: Seattle, WA
 
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Mein Auto: 1998 BMW 328is
It's much more likely to be a bad sensor.
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Old 03-20-2017, 02:35 PM
pversaw pversaw is offline
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Location: Chicago
 
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Mein Auto: 325i Cabrio
Check coolant level

I have a 325i 1994 convertible and had the same problem. Finally I took a small screwdriver (like for eyeglasses) and wrapped a small amount of sandpaper around it. I used it to clean the female portion of the expansion tank sensor connector. Under the hood by the passenger headlight. I pushed it back together and I've never had the light come on again.
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Old 03-25-2017, 04:55 PM
VE2GYA-325i VE2GYA-325i is offline
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Location: Quebec
 
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Mein Auto: 1994 325i
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  #6  
Old 04-05-2017, 04:13 AM
allblack330 allblack330 is offline
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Mein Auto:
I have two e36 both of them throw the same light every time I get in the car an when I start them the light goes off. Both tank are full also. I'm pretty sure the sensor in the bottom of tank are notorious for this issue. An the oem expansion tank is **** lol

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