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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Introduction
The Electrical Machine Electronics (EME) is primarily used as control
electronics for the electrical
machine. It is also responsible for converting the direct current voltage from
the high-voltage battery
unit (up to approximately 354.2 V DC) into a three-phase AC voltage for
electrical machine m
Connecting rod - Crankshaft drive
Connecting rod
Piston
Area transferring the force
Wrist pin
Connecting rod bearing with shaped bore hole
Connecting rod
Connecting rod bearing (B46TU only)
Small connecting rod eye (trapezoidal shape)
Large connecting rod eye (cracked)
Connecting rod bolts of the connecting rod bearing ca
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