BMW 3: External features
BMW 3 Series G20 (2018-2024) Training manual / High-voltage Battery Unit / External features
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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
Electrical connections
The high-voltage battery unit also has a signal connection, as well as the
high-voltage connection.
The high-voltage battery unit is integrated in the refrigerant circuit in order
for it to be cool
Cooling system
To increase the service life of the high-voltage battery unit and obtain the
greatest possible power, it
is operated in a defined temperature range. The high-voltage battery unit is
essentially oper
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Refueling
Follow the following when
refueling
General information
Follow the fuel recommendation prior to refueling.
When refueling, insert the filler nozzle completely
into the filler pipe. Lifting up the fuel pump nozzle
during refueling causes:
Premature switching off.
Reduced return of the fuel vapors
Antifreeze and corrosion inhibitor
The cooling system of the G20 PHEV is filled with the new antifreeze and
corrosion inhibitor Frostox
HT-12. The new antifreeze and corrosion inhibitor increases the long-term
stability and corrosion
protection of the components. It replaces the well-known antifreeze and
corrosion inhibitor Glysan
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