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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 Anti-lock Braking System ABS

ABS prevents locking of the wheels during braking. The vehicle maintains its steering power even during full brake applications, thus increasing active safety. ABS is operational every time you start the engine. Brake assistant When you apply the brakes rapidly, this system automatically boosts th

 General information, Safety information

General information When using run-flat tires or a flat tire kit, a wheel does not always need to be changed immediately when there is a loss of tire inflation pressure due to a flat tire. If needed, the tools for changing wheels are available as accessories from a dealer's service center or anothe

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