I was experimenting with this briefly today.
The temperatures were in Centigrade. Anyone know how to display them in Fahrenheit?
BMW M2 pre LCI built in Oil temp in hidden diagnostic menu
https://www.youtube.com/watch?v=rsNOublzEKM
UPDATE:
The video above is no longer available.
https://www.youtube.com/watch?v=GYSJIsrq-ho
The code you enter is the sum of the last 5 digits of the VIN
Dedicated gauge:
http://www.p3cars.com/bmw/bmw-1-seri...2-multi-gauge/