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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 Active Protection

Concept Active Protection prepares occupants and the vehicle for a possible accident in critical driving or collision situations. General information Active Protection consists of various PreCrash functions, which can vary depending on the equipment. The system is used to detect certain critical dr

 Spoken instructions

Switching on/off The setting is stored for the driver profile currently used. 1. Press the button on the Controller. 2. Move the Controller to the right. 3. "Voice guidance". Repeat 1. Press the button on the Controller. 2. Press the Controller. 3. "Repeat voice guidance". Using the button: Pr

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