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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Low-voltage connections
In the low-voltage connector at the Electrical Machine Electronics the
following lines and signals are
combined:
Terminal 30 from the hybrid power distribution box
Terminal 30 from the front left power distribution box
Terminal 30C (terminal 30 crash signal)
Ground
FlexRay
Fuel gauge
Concept
The current fill level of the fuel tank is displayed.
General information
Vehicle tilt position may cause the display to
vary.
Display
An arrow beside the fuel pump
symbol shows which side of the
vehicle the fuel filler flap is on.
The current range is displayed as
numerical value.
Indicato
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