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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 Tire identification marks

Tire size 245/45 R 18 96 Y 245: nominal width in mm 45: aspect ratio in % R: radial tire code 18: rim diameter in inches 96: load rating, not for ZR tires Y: speed rating, before the R on ZR tires Maximum tire load Maximum tire load is the maximum permissible weight for which the tire is approved.

 Labels

Three signs are attached to the housing of the high-voltage battery unit: 1 type plate and 2 warning stickers. The type plate provides logistical information (e.g. part number) and the key technical data (e.g. nominal voltage). The warning stickers point to the lithium-ion technology on the one h

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