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      01-21-2022, 09:19 PM   #2
spidy512
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Drives: 2015 f80 M3
Join Date: Oct 2016
Location: East Bay Area, CA

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2015 BMW M3  [0.00]
Heya,

Is it possible there is a thermostat that is closing in an effort to keep the engine warm? Being from the north it make sense if there is such a thermostat.

When I lived in Truckee, Ca. some of my older vehicles thermostat would not open for a LONG time when the temps dipped below zero. Therefore, the heater core didnt get warm for a while. But it was only when it was very super cold.

I know that is probably too simple of a solution for these cars, but possibly it is similar?

Someone who knows more about htese motors than I do will chime in soon...

Interested myself to see whats going on....

good luck!
josh

Last edited by spidy512; 01-21-2022 at 09:28 PM..
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