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Old 02-07-2013, 12:01 AM   #4
MJLavelle
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Join Date: Jul 2011
Location: Charlotte NC
Posts: 2,753
My Ride: 2001 BMW 330ci
You do realize that you can not rely on the gauge to give you accurate temp readings. You have to go into the OBD to get the true temp. I woul bet you have been running at much higher than normal temps the entire time.
The coolant gauge is buffered, so that it does not show the normal swings in temps that your engine experiences. The temp can be as much as 30* Celsius higher than normal, and your gauge will still read dead center. You really need to monitor the actual temp in the OBD after any cooling work.

Read this thread for a more thorough explanation:
http://forum.E46Fanatics.com/showthread.php?t=964491

Last edited by MJLavelle; 02-07-2013 at 12:04 AM.
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