That is really interesting. My first time with this oddity was right in line with what you experienced. The second time I drove from some fairly heavy rain into heavy snow and much lower temps and got the symptom.

I wonder if there is some sensor that when cooled quickly makes a connection?

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2013 X5 xDrive3.5i Premium
2002 530I Sport Package
2001 X5 4.4i
2001 M3