BMW 3: Steptronic transmission
BMW 3 Series G20 (2018-2026) Owners Manual / Driving / Steptronic transmission
Concept
The Steptronic transmission combines the functions of an automatic transmission with the possibility of manual shifting, if needed.
Safety information
Warning An unsecured vehicle can begin to move and possibly roll away. There is a risk of accident.
Before exiting, secure the vehicle against rolling, for instance with the parking brake.
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Selector lever positions
Drive mode D
Selector lever position for normal vehicle operation.
All gears for forward travel are activated automatically.
R is reverse
Engage selector lever position R only when the
vehicle is sta
Rolling or pushing the vehicle
General information
In some situations, the vehicle is to roll without
its own power for a short distance, for instance in
a vehicle wash, or be pushed.
Engaging selector lever position N
1. Switch on
Shift paddles
Concept
The shift paddles on the steering wheel allow
you to shift gears quickly while keeping both
hands on the steering wheel.
General information
Shifting
The vehicle only shifts at suitable engine
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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 cooled.
Connections of the SP41 high-voltage battery
Venting unit
Signal connector
Connections for
New schematic diagram
The representation of the individual bus systems and their designations have
been adapted to the
representation and the designation of the ISTA workshop information system.
The following table provides an overview of the previous and the current
representation and
designation:
Bus overview
G2
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