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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 Concierge service

Concept The Concierge service offers information on events, gas stations or hotels, and provides phone numbers and addresses. A voice connection to the Concierge service is established for this purpose. Many hotels can be booked directly by the BMW Concierge service. The Concierge service is part of

 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

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