BMW 5 Series - Tech Talk For All Gen Of 5 Series
AFAIK if I enable the ECU option 07.00 it should display coolant temperature. Assuming the ECU display is correct, the car takes about 10 minutes mixed driving to get to about 65 degrees. If I hammer it, I can get it to nudge 70 but no more (ambient temperature 10 degrees).
Anyway, I took it...