If you drive the car 10 miles, and it doesn't move.
Because the gauge is broken.
If the engine is overheating the temp gauge will go all the way to the right and a red light will come on.
It has 2 independent sensors in it, one goes to the cluster for the coolant temp gauge. The other goes to the DME for controlling the fuel mix, engine timing, cam timing, as the enging goes from cold to operating temp. It effects performance, MPG, and emissions.
I own BMW 530d 2006 model and the outside temp sensor is inside front bumper (front left bottom of bumper)
In 1994, Rover Group was acquired by BMW. In 2000, Rover Group was broken up by BMW, with BMW retaining the Mini brand.
Get it fixed.
How to open of my BMW 745LI Yr 2003 hood ,whose Hood latch is broken while tried to open the hood
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
A malfunctioning thermostat will do what you describe if it is opening at at very high temperature, at some point it probably will quit opening at all.
in the intake air box
The outside air temperature should still have the same reading. The installed sending unit should not affect the temperature gauge.
They sell cars