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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Programmable memory buttons
General information
The iDrive functions can be stored on the programmable
memory buttons and called up directly,
for instance radio stations, navigation destinations,
phone numbers and menu entries or
pages in the Integrated Owner's Manual.
Settings are stored for the driver profile currently
used.
Chain drive - Crankshaft drive
Features:
Chain drive at the side of the engine emitting the forces.
Single-part chain drive for driving the camshafts.
Single sleeve-type chain 8 mm.
Electric motor of the combined oil-vacuum pump via a separate chain.
Plastic tensioning and guide rail.
Hydraulic chain tensioner with sp
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