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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 Wiper system

Switching the wipers on/off and brief wipe Switching on Press the lever up until the desired position is reached. Resting position of the wipers: position 0. Rain sensor: position 1. Normal wiper speed: position 2. Fast wiper speed: position 3. Brief wipe and switching off Press the lever do

 Washer fluid

General information All washer nozzles are supplied from one reservoir. Use a mixture of tap water and windshield washer concentrate. If desired, a windshield washer concentrate containing antifreeze can be used. Recommended minimum fill quantity: 0.2 US gal/1 liter. Safety information Warning So

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