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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 LED displays

Blue The mobile phone is charging. The blue LED stays illuminated once the inserted mobile phone with Qi capability is fully charged. Orange The mobile phone is not charging. Temperature on the mobile phone possibly too high or foreign object in charging tray. Red The mobile phone is n

 Warning with braking function

Display A warning symbol appears in the instrument cluster and in the Head-up Display, where available, if a collision with a detected vehicle is imminent. Danger of collision with vehicle crossing from the right. Danger of collision with vehicle crossing from the left. Danger of collisi

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