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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 Idle state

Concept If the vehicle is in idle state, it is switched off. All power consumers are deactivated. General information The vehicle is in idle state prior to opening from the outside and after exiting and locking. Safety information Warning An unsecured vehicle can begin to move and possibly roll awa

 Steering wheel

Safety information Warning Steering wheel adjustments while driving can lead to unexpected steering wheel movements. Vehicle control could be lost. There is a risk of accident. Adjustng the steering wheel while the vehicle is stationary only. Manual steering wheel adjustment 1. Fold the lever dow

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