BMW 3: Operating principle
BMW 3 Series G20 (2018-2026) Training manual / Electrical Heating / 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.
There is a coolant temperature sensor at the electrical heating output for this purpose. This way the IHKA control unit can decide whether the heat from the combustion engine is sufficient to heat the passenger compartment or whether the electrical heating should be switched on. If the temperature of the coolant is too low, the electric heating can heat up to a total of 6 stages. The electrical heating is always condition-based thanks to this control operation.
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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
Antifreeze and corrosion inhibitor
The cooling system of the G20 PHEV is filled with the new antifreeze and
corrosion inhibitor Frostox
HT-12. The new antifreeze and corrosion inhibitor increases the long-term
stability and corrosion
B46TU-B48TU Engines
h1 {color: red;}
h2 {color: green;}
h3 {color: blue;}
h4 {color: #FF00FF;}
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Technical data
The high-voltage battery unit of the G20 PHEV is manufactured by BMW itself
in Dingolfing /Germany.
The cells of the high-voltage battery unit are supplied by the Korean company
Samsung SDI. The
high-voltage battery unit was also developed by BMW AG itself.
The battery cells used in the hig
Managing the music hard disk
Renaming folders or tracks
Changing a folder name to the name of an album
does not change the album designation in the
track information of the individual tracks.
Changing a track name changes its file name,
however it does not change the track name
stored in the track information.
1. "MEDIA".
2. "
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