BMW 3 Owners & Service Manuals

BMW 3: 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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 General information

Symbols used The following symbol is used in this document to facilitate better comprehension or to draw attention to very important information: Contains important safety information and information that needs to be observed strictly in order to guarantee the smooth operation of the system. Orig

 Actuation of the charge status indicator

The convenience charging electronics actuate the charge status indicator. Locator lighting: The locator lighting of the charging socket is used as an orientation aid by the driver for the connection and disconnection of the charging plug. The RGB LEDs light up in white as soon as the charging soc

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