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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 Introduction

The electrical machine in the G20 PHEV is a permanently excited synchronous machine. It can convert electrical energy from the high-voltage battery unit into kinetic energy, by which the vehicle is driven. Both electric driving up to approximately 87 mph (140 km/h) as well as support o

 Actions in the event of a flat tire

Normal tires 1. Identify the damaged tire. Check the tire inflation pressure in all four tires, for instance using the tire pressure gage of a flat tire kit. For tires with special approval: if the tire inflation pressure in all four tires is correct, the TPM may not have been reset. In this case

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