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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Buttons on the vehicle key
Unlocking
Locking
Opening the trunk lid
Press and hold or press three times in quick
succession: panic mode
Press briefly: headlight courtesy delay feature
Unlocking the vehicle
Press the button on the vehicle
key.
Depending on the settings, either only the driver's
door or all vehicle ac
Glass sunroof
General information
The glass sunroof and the sun protection are operated
using the same switch.
Safety information
Warning
Body parts can be jammed when operating the
glass sunroof. There is a risk of injury. Make
sure that the area of movement of the glass
sunroof is clear during opening and clos
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