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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 Real Time Traffic Information RTTI

General information Depending on the equipment, RTTI is transmitted via services which can be booked in addition in some countries. With RTTI, traffic obstructions are localized more comprehensively and precisely. Traffic conditions on roads other than the highways, for instance secondary roads an

 DTC Dynamic Traction Control

Concept DTC is a version of the DSC Dynamic Stability Control where forward momentum is optimized. The system ensures maximum headway on special road conditions or loose road surfaces, for instance unplowed snowy roads, but with somewhat limited driving stability. General information When DTC is ac

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