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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 Climate control

Automatic climate control Temperature. Recirculated-air mode. Maximum cooling. AUTO program. Air distribution, manual. Switching off. Defrost and defog the windshield. Rear window defroster. Seat heating. Climate control operation. Air flow, manual. Automatic climate control with enhanced

 Transferring digital keys

The vehicle owner can transfer a digital key for his/her vehicle to another person with a compatible smartphone via the BMW Connected app. When a digital key is transferred, a transaction number TAN will be generated. Another person can pair the digital key in the vehicle with this TAN and the Digi

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