BMW 3: Electrical Heating
BMW 3 Series G20 (2018-2026) Training manual / Electrical Heating
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Installation locations and connections
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
Operating principle
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.
Low coolant temperature
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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High-voltage power management
The power management for the high-voltage vehicle electrical system includes
two subfunctions: one
for driving and one for charging mode.
In driving mode, the energy flows from the high-voltage battery unit to the
high-voltage consumers
and the energy flows during energy recovery to the high-volt
Radio
Changing the entertainment source
Sound output on/off, volume
Programmable memory buttons
Changing the station/track
Waveband/satellite radio
Navigation destination entry
Entering a destination via quick
search
1. Press the button on the
Controller.
2. "Where to?"
3. Enter at least two let
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