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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Shift point indicator
Concept
The shift lights indicate the upshift point at which
the best possible acceleration can be achieved.
Functional requirement
Shift lights are shown when the SPORT or
SPORT PLUS driving program is activated.
Switching on/off
Steptronic Sport transmission:
1. Select SPORT or SPORT PLUS driving
Evasion assistance
Concept
The system supports the driver in making evasive
maneuvers in certain situations, such as
when obstacles or persons suddenly appear.
General information
The system issues a warning and intervenes to
support the driver if a lateral evasive maneuver is
possible. Sensors monitor and detect the
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