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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 Emergency Stop Assistant

Concept If the driver is no longer fit to drive, the system helps to safely bring the vehicle to a standstill. General information The emergency stop function is not triggered automatically. The emergency stop function can only be triggered manually by the occupants. When the system is activated, t

 Controller

General information The buttons can be used to open the menus directly. The Controller can be used to select menu items and enter the settings. Some iDrive functions can be operated using the touchpad on the Controller. Operation Turn to switch between menu items, for example. Press to selec

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