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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 Received destinations

General information Depending on the national-market version, the destinations are automatically stored as received destination and can be applied in the destination guidance, if they were transferred to the vehicle via the BMW Connected app. For example, destinations that were sent from the Concie

 Belt drive

Comparison belt drive B46 engine and B46TU/B48TU engines B46 Engine (transverse installation shown) B46TU/B48TU engines (transverse installation shown) Deflecting element Alternator Coolant pump Air conditioning compressor Ribbed belt Torsional vibration damper Belt tensioner The

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