BMW 3: Electrical Heating
BMW 3 Series G20 (2018-2025) 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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Idle state
Concept
If the vehicle is in idle state, it is switched off. All
power consumers are deactivated.
General information
The vehicle is in idle state prior to opening from
the outside and after exiting and locking.
Safety information
Warning
An unsecured vehicle can begin to move and
possibly roll awa
Steering wheel
Safety information
Warning
Steering wheel adjustments while driving can
lead to unexpected steering wheel movements.
Vehicle control could be lost. There is a risk of
accident. Adjustng the steering wheel while the
vehicle is stationary only.
Manual steering wheel
adjustment
1. Fold the lever dow
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