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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 BMW Drive Recorder

General information The system stores brief video recordings of the surrounding area of the vehicle, e.g., to document traffic events. Additionally, the following parameters are stored for the trip: Date. Time. Vehicle speed. GPS coordinates. General information There are various ways for stor

 Electrical connections

The high-voltage battery unit also has a signal connection, as well as the high-voltage connection. The high-voltage battery unit is integrated in the refrigerant circuit in order for it to be cooled. Connections of the SP41 high-voltage battery Venting unit Signal connector Connections for

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