Originally Posted by bmwf30
Take it to a BMW dealer or any other place that has Nitrogen. Fill up the tires with Nitrogen and this is help out greatly with the TPMS mis-reading. This is because Nitrogen is not affected by external temperature and pressure factors. Also if you should inflate the tire on an emergency you can use normal air when needed. Mixing it with the Nitrogen is perfectly ok.
Nitrogen is still effected by temperature. I think what you're referencing is that since it doesn't have water vapor, it doesn't freeze like compressed air when used in airplane tires (which is where nitrogen has a sizable advantage).