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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 High beams, headlight flasher, turn signal

High beams, headlight flasher Push the lever forward or pull it backward. High beams on, arrow 1. The high beams light up when the low beams are switched on. High beams off/headlight flasher, arrow 2. Turn signal On: press the lever past the resistance point. Off: press the lever past the

 Roof-mounted luggage rack

General information Roof racks are available as special accessories. Roof drip rail with flaps The fixing points are located in the roof drip rail above the doors. Fold the cover outward. Mounting Follow the installation instructions of the roof rack. Be sure that adequate clearance is maintained

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