BMW 3: Electrical Heating
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G20 PHEV, heater circuit
Electric coolant pump
Connection to the coolant circuit
Heat exchanger for heating system
Electrical heating
Electrical changeover valve
Connections at the elect
If the driver adjusts a desired temperature at the IHKA controls, the IHKA
calculates a corresponding
nominal temperature and compares it to the actual output temperature of the
electrical heating.
When the coolant temperature is low, for example after driving off, or in
all-electric driving, the electric
changeover valve is activated by the Body Domain Controller (BDC). The
electrical changeo
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General information
Different information can be called up for any
point on the map and settings can be adjusted.
Here, the map can alternatively be used via the
touchscreen.
Interactive map
Operating the interactive map
1. Press the button on the
Controller.
2. Press the Controller.
3. "Interac
The layout and function of the coolant pump have been revised and adapted to
match the cooling
concept of the B46TU/B48TU engines.
Coolant pump
Pressure relief valve closed (pressure < 2.2 bar / 32 psi)
Pressure relief valve opened (pressure > 2.2 bar /