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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Warning function
If you leave the lane
If you leave the lane and if a lane marking has
been detected, the steering wheel vibrates in accordance
with the steering wheel vibration setting.
If the turn signal is switched on before a lane
change, a warning is not issued.
Steering intervention
Depending on the equipment
Warning with braking function
Display
A warning symbol appears in the instrument
cluster and in the Head-up Display, where available,
if a collision with a detected vehicle is imminent.
Danger of collision with
vehicle
crossing from the right.
Danger of collision with
vehicle
crossing from the left.
Danger of collisi
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