Check Coolant Level Message - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 02-22-2005, 12:12 AM
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I just bought a 96' 328i yesterday and I have a coolant message that wont go away. It was alittle low so I added some and then released the pressure, but it still is there. Any ideas, I'm so new to this brand, I need some help!

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#2 (permalink) Old 02-22-2005, 12:45 AM
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I had/hve the same problem. When I bought my car I had a full inspection 2 done to it and they checked it out. Come to find that my sensor that tells me about the coolant level is bad. They said that my coolant was fine and it didn't really matter if i changed the sensor or not as long as i checked it periodically myself. I saved the $80 they wanted for the new sensor, maybe when i have more money.

I don't know, but this could be your same problem. I would have it inspected and checked out anyways if you just bought it. Then you will know what is going on with your car and what needs to be done.

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#3 (permalink) Old 02-22-2005, 03:37 AM
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same problem, just the sensor, don't bother with it.


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#4 (permalink) Old 02-22-2005, 05:14 AM
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I have heard that it could just be dirty connector. Pop the sensor connector off and back on again. Had it on my car and it seemed to work. Otherwise maybe an air block?

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#5 (permalink) Old 02-22-2005, 06:30 AM
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Quote:
Originally posted by 2ndclasscitizen@Feb 22 2005, 05:14 AM
I have heard that it could just be dirty connector. Pop the sensor connector off and back on again. Had it on my car and it seemed to work. Otherwise maybe an air block?
[snapback]296904[/snapback]

I agree. Always try cleaning and resetting any sensor, switch, etc you can before replacing. Sometimes you get lucky.
Also, witht the car running, try cracking the bleeder screw on top of radiator near filler cap to expel any trapped air.
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#6 (permalink) Old 02-22-2005, 10:16 AM
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where is the sensor located?
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#7 (permalink) Old 02-22-2005, 11:19 AM
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Quote:
Originally posted by AdoreGSX@Feb 22 2005, 11:16 AM
where is the sensor located?
[snapback]296968[/snapback]
Sensor is located on the bottom of the coolant overflow tank.
You will see a connector with two wires.

To summarize what others have suggested:
- Unplug the sensor and check if it's corroded; reseat the connector
- Check the coolant level when it's cold; the level should be at the mark
- unscrew the bleed screw slightly (by doing so, you are letting the air bubbles out)

If none of the above solve the problem, you may
- replace the coolant level sensor (it's attached on the bottom of the reservoir)
- just live with it and check the level of coolant often.

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