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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 Number of safety belts and safety belt buckles

The vehicle is fitted with five safety belts to ensure occupant safety. However, they can only offer protection when adjusted correctly. The two outer safety belt buckles of the rear seats are intended for the persons sitting on the left and right. The center safety belt buckle of the rear seats is

 Replacing the battery

1. Remove the integrated key from the vehicle key. 2. Place the integrated key underneath the battery compartment cover, arrow 1, and lift the cover with a lever movement of the integrated key, arrow 2. 3. Push battery in the direction of the arrow using a pointed object and lift it out. 4. Inser

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