Is it possible that the thermostat map cooling activated due to high intake air temp and deliberately lowered the coolant temp?

This characteristic map is determined by the following factors:

*Engine load
*Engine speed
*Vehicle speed
*Intake temperature
*Coolant temperature

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E39 530dA -02 M-Sport Messing metallic
E53 X5 3.0dA -06 Sport Stratus grey
E70 X5 40d -12 M-Sport Space grey