BMW 3: Operating principle
BMW 3 Series G20 (2018-2025) 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
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h2 {color: green;}
h3 {color: blue;}
h4 {color: #FF00FF;}
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Managing mobile devices
General information
After one-time pairing, the devices are automatically
recognized and reconnected when
standby state is switched on.
After stored content on the SIM card or the
mobile phone, such as contacts, has been
detected, the data is transmitted to the vehicle
and can be used via iD
Frequently Asked
Questions
Why can the current position not be displayed?
The vehicle is located in an unrecognized region,
is in a poor reception area, or the system
is currently determining the position.
Reception is usually best when you have an
unobstructed view of the sky.
Why does destination guidance not accept
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