Coolant temp should drop when you accelerate and warming element on thermostat is activated. But the basic temp seems a little low.

https://www.pss-autosoft.net/diagram...1214_M0KFK.htm

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