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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 System overview

G20 PHEV, components of refrigerant circuit Combined expansion and shutoff valve (interior) Combined expansion and shutoff valve (high-voltage battery unit) High-voltage battery unit Refrigerant lines to high-voltage battery unit Low-pressure connection (for drawing off, evacuating and f

 Setting brightness and contrast

Brightness and contrast can be adjusted with Surround View or Panorama View switched on. Via iDrive: 1. Move the Controller to the right, if needed. 2. "Camera image" 3. "Brightness" "Contrast" 4. Set the desired value. Functional limitations The system can be used only to a limited extent

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