BMW 5 Series: 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.
In order to ensure that the vehicle is secured
against rolling away, follow the following:
- Set the parking brake.
- On uphill grades or on a downhill slope,
turn the front wheels in the direction of the
curb.
- On uphill grades or on a downhill slope,
also secure the vehicle, for instance with a
wheel chock.
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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
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
Concept
The shifting points and shifting times in the
Sport program are designed for a sportier driving
style. The transmission, for instance shifts up
later and the shifting times are shorter.
Activa
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System wiring diagram
Horns
Horn, left
Horn, right
Relay in the Body Domain Controller
Body Domain Controller (BDC)
Steering column switch cluster (SZL)
Signal path of horn:
When the horn is pressed the signal is received by the steering column
switch cluster (SZL).
The SZL sends the in
The purpose of the front passenger airbag is to reduce the risk of accident
to the front passenger in
the event of a front-end crash. The front passenger airbag is located in the
dashboard. When the front
passenger airbag expands, the dashboard tears open at defined points.
A two-stage gas genera