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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Convenience charging electronics (KLE)
Convenience charging electronics
The convenience charging electronics enable communication between the vehicle
and charging
station of the AC voltage supply in order to charge the high-voltage battery
unit. The convenience
charging electronics convert the AC voltage into high-voltage direct curre
PostCrash - iBrake
Concept
In the event of an accident, the system can bring
the vehicle to a halt automatically without intervention
by the driver in certain situations. This
can reduce the risk of a further collision and the
consequences thereof.
At standstill
After coming to a halt, the brake is released automatica
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