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Old 11-16-2017, 03:06 PM
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andrewwynn andrewwynn is offline
Join Date: Jun 2015
Location: Racine, WI
Posts: 5,274
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Verify the actual temperature with hidden menu item 7 I believe. Temp should rise quickly to 90C and stay there. By the time the "gauge" (more of an indicator light with a needle) shows less than noon you've probably been running below operational temp for months.

If temp verified below 85-90 get a new OEM t stat and change it out it's not a difficult job just plan to remove the fan/shroud. Learn the 1-1/4 " wrench and hammer method. It's so easy I remove the fan for most front of engine repair. I replaced mine two winters ago when I couldn't get cabin heat. The needle still went to noon erroneously reporting normal temp for months when I finally noticed as ambient temperature got close to freezing the needle wouldn't get to top center.

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E53 / M54 2001 3.0i gas LHD (pair of them: his & her)
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