BMW 5 Series: On the road

 Operating strategy of the heat management module

The following graphic shows the positions of the rotary valve as the coolant temperature increases. Circuit diagram of heat management module in B58TU engine 0 % - Rotary valve closed 100% - Rotary valve open Cold start Warm-up phase Operating temperature Transition from normal operatio

 System limits

General information The system cannot be activated or meaningfully used in certain situations. Safety information Warning The system is designed to operate in certain conditions and circumstances. Due to conditions or other factors, the system may not respond. There may be a risk of accident or ris