2021 BMW 3 SERIES Owners Manual

Safety
switch
for
the
rearPress
the
button
on
the
driver's
door.
This
locks
various
functions
so
that
they
cannot be
operated
from
the
rear.
Additional
information:
Safety
switch,
refer
to
page
105.Seite
129Transporting
children
safelyCONTROLS129
Online
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for
Part
no.
01405A1EBF2
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DrivingVehicle
features
andoptions
This
chapter
describes
all
standard,
country-spe#jcific
and
optional
features
offered
with
the
series. It
also
describes
features
and
functions
that
are
not
necessarily
available
in
your
vehicle,
e.g.,
due to
the
selected
options
or
country
versions.
Thisalso
applies
to
safety-related
functions
and
sys#j
tems.
When
using
these
functions
and
systems,
the
applicable
laws
and
regulations
must
be
ob#j
served.
Start/Stop
button
Concept Pressing
the
Start/Stop
button
switches
drive-ready
state
on
or
off.
Steptronic
transmission:
the
drive-ready
state
is
switched
on
when
you
depress
the
brake
pedal
while
press#j
ing
the
Start/Stop
button.
Pressing
the
Start/Stop
button
again
switches the
drive-ready
state
back
off
and
standby
state
is
switched
back
on.
Additional
information:
'xDrive-ready
state,
refer
to
page
42.'xStandby
state,
refer
to
page
42.
Driving
away
1.Switch
on
drive-ready
state.2.Apply
gear
position.3.Release
the
parking
brake.4.Drive
away.Auto
Start/Stop
function
Concept
The
Auto
Start/Stop
function
helps
save
fuel.
The
system
switches
off
the
engine
during
a stop,
for
instance
in
traffic
congestion
or
at
traffic
lights.
Drive-ready
state
remains
switched
on.
The
engine
starts
automatically
for
driving
off.
In
vehicles
with
Mild-Hybrid
technology,
the
en#j gine
will
already
switched
off
while
coasting
at
low
speeds.
Additional
information:
Engine-Off
Coasting,
refer
to
page
309.
General
information
After
each
engine
start
using
the
Start/Stop
but#j ton,
the
Auto
Start/Stop
function
is
ready.
The
function
is
activated
from
speeds
of
approx. 3
mph/5
km/h.
Depending
on
the
selected
driving
mode,
the
system
is
automatically
activated
or
deactivated.
Engine
stop
Functional
requirements Steptronic
transmission
The
engine
is
switched
off
automatically
during
a
stop
under
the
following
conditions:
'xThe
selector
lever
is
in
selector
lever
position D.'xThe
brake
pedal
remains
pressed
while
the
vehicle
is
stationary
or
the
vehicle
is
held
by Automatic
Hold.'xThe
driver's
safety
belt
is
buckled
or
the
driv#jer's
door
is
closed.Seite
130CONTROLSDriving130
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Steptronic
transmission:
manual
engine
stop
If
the
engine
was
not
switched
off
automaticallywhen
the
vehicle
stopped,
the
engine
can
be
switched
off
manually:'xPress
the
brake
pedal
forcefully
again
from the
current
pedal
position.'xEngage
selector
lever
position
P.
When
all
functional
preconditions
are
fulfilled,
theengine
switches
off.
Air
conditioner
when
the
engine
is
switched
off
The
air
flow
from
the
air
conditioner
is
reduced
when
the
engine
is
switched
off.
Displays
in
the
instrument
cluster
General
information
Instrument
cluster
with
enhanced
features:
The
display
in
the
instrument
cluster
indicates
that
the
Auto
Start/Stop
function
is
ready
for
an
automatic
engine
start.
Instrument
cluster
without
enhanced
features: The
display
in
the
instrument
cluster
indicates
that
the
Auto Start/Stop
function
is
ready
for
an
automatic
engine
start.
The
display
indicates
that
the
conditions
for
an
automatic
en#j
gine
stop
have
not
been
met.
Total
time
with
switched-off
engine
ECO
PRO
drive
mode:
depending
on
the
vehicle
equipment,
the
to#j
tal
time
that
the
engine
has
been
switched
off
using
the
Auto
Start/
Stop
function
is
displayed
on
an
automatic
engine
stop.
The
total
time
can
be
reset
via
the
trip
data.
Additional
information:
ECO
PRO,
refer
to
page
306.
Functional
limitations The
engine
is
not
switched
off
automatically
inthe
following
situations:'xIn
case
of
a
steep
downhill
grade.'xBrake
not
engaged
strongly
enough.'xThe
external
temperature
is
high
and
auto#j
matic
climate
control
is
running.'xThe
car's
interior
has
not
yet
been
heated
or cooled
to
the
required
level.'xWhere
there
is
a
risk
of
window
condensation
when
the
automatic
climate
control
is
switched
on.'xEngine
or
other
parts
not
at
operating
tem#j perature.'xEngine
cooling
is
required.'xThe
wheels
are
at
a
sharp
angle
or
the
steer#jing
wheel
is
being
turned.'xVehicle
battery
is
heavily
discharged.'xAt
higher
elevations.'xHood
is
unlocked.'xThe
parking
assistant
is
activated.'xStop-and-go
traffic.'xSteptronic
transmission:
selector
lever
posi#jtion
in
N
or
R.'xAfter
driving
in
reverse.'xUse
of
fuel
with
high
ethanol
content.Seite
131DrivingCONTROLS131
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Starting
the
engine
Functional
requirements Steptronic
transmission
The
engine
starts
automatically
under
the
follow#j
ing
preconditions:'xBy
releasing
the
brake
pedal.'xWhen
Automatic
Hold
is
activated:
step
on
the
accelerator
pedal.
Driving
off
After
the
engine
starts,
accelerate
as
usual.
Safety
mode
After
the
engine
switches
off
automatically,
it
will not
start
again
automatically
if
any
one
of
the
fol#j
lowing
conditions
are
met:
'xThe
driver's
safety
belt
is
unbuckled
and
the
driver's
door
is
open.'xHood
was
unlocked.
Some
indicator
lights
light
up
for
a
varied
length of
time.
The
engine
can
only
be
started
via
the
Start/Stop button.
System
limits
Even
if
driving
off
was
not
intended,
the
deacti#j vated
engine
starts
up
automatically
in
the
fol#jlowing
situations:
'xExcessive
warming
of
the
car's
interior
when
air
conditioning
is
switched
on.'xExcessive
cooling
of
the
car's
interior
when
the
heating
is
switched
on.'xWhere
there
is
a
risk
of
window
condensation
when
the
automatic
climate
control
is
switched
on.'xWhen
the
steering
wheel
is
turned.'xSteptronic
transmission:
Change
from
selector
lever
position
D
to
N
or
R.'xSteptronic
transmission:
Change
from
selector
lever
position
P
to
N, D,
or
R.'xVehicle
battery
is
heavily
discharged.'xStart
of
an
oil
level
measurement.
Without
Mild-Hybrid
technology:
additional
functions
Auto
Start/
Stop
Depending
on
the
vehicle
equipment
and
coun#j
try-specific
version,
the
vehicle
features
a
variety of
sensors
for
assessing
the
traffic
situation.
The
Auto
Start/Stop
function
uses
this
information
to adapt
to
various
traffic
situations
in
a
proactivemanner.
For
instance,
this
applies
to
the
following
situa#j
tions:
'xWhen
a
situation
is
detected
in
which
the
stopping
time
is
expected
to
be
very
short,
the
engine
is
not
switched
off
automatically.
A
message
appears
on
the
Control
Display,
depending
on
the
situation.'xWhen
a
situation
is
detected
in
which
the
ve#j
hicle
needs
to
drive
off
immediately,
the
en#j
gine
is
started
automatically.
The
function
may
be
restricted
if
the
navigation
data
is
invalid,
outdated
or
not
available,
for
ex#j
ample.
Without
Mild
Hybrid
technology:
deactivate/activate
the
system
manually
Concept
The
engine
is
not
automatically
switched
off.
The
engine
is
started
during
an
automatic
engine
stop.
Seite
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Using
the
button
Press
the
button.
Steptronic
transmission:
via
selector
lever
position
The
Auto
Start/Stop
function
is
also
deactivated in
selector
lever
position
M/S.
Via
the
Driving
Dynamics
Control
The
Auto
Start/Stop
function
is
also
deactivated in
SPORT
driving
mode
of
the
Driving
DynamicsControl.
Display
'xLED
comes
on:
auto
Start/Stop
function
is
deactivated.'xLED
goes
out:
auto
Start/Stop
function
is
ac#j tivated.
Switching
off
the
vehicle
during
an
automatic
engine
stop
General
information During
an
automatic
engine
stop,
the
vehicle
can
be
switched
off
permanently,
for
instance
when
leaving
it.
Steptronic
transmission
1.Press
the
Start/Stop
button.'xDrive-ready
state
is
switched
off.'xStandby
state
is
switched
on.'xSelector
lever
position
P
is
engaged
auto#j matically.2.Set
the
parking
brake.
Automatic
deactivation
General
information
In
certain
situations,
the
Auto
Start/Stop
function
is
deactivated
automatically
for
safety
reasons,
for
instance
if
no
driver
is
detected.
Malfunction
The
Auto
Start/Stop
function
no
longer
switches off
the
engine
automatically.
A
Check
Control message
is
displayed.
It
is
possible
to
continuedriving.
Have
the
system
checked
by
a
dealer'sservice
center
or
another
qualified
service
centeror
repair
shop.
Driving
Dynamics
Control
Concept
The
Driving
Dynamics
Control
influences
the
driving
dynamics
properties
of
the
vehicle.
The
vehicle
can
be
adjusted
depending
on
the
situation
using
various
driving
modes.
General
information
The
following
systems
are
affected,
for
instance:
'xEngine
characteristics.'xSteptronic
transmission.'xAdaptive
M
chassis.'xSteering.'xDisplay
in
the
instrument
cluster.'xCruise
control.Seite
133DrivingCONTROLS133
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Overview
Displays
in
the
instrument
cluster
The
selected
drive
mode
is
dis#jplayed
in
the
instrument
cluster.
Driving
modes Buttons
in
the
vehicle
ButtonDriving
modeConfiguraj
tionSPORTSPORTINDIVIDUALSPORTSPORT
PLUSCOMFORTCOMFORTECO
PROECO
PROINDIVIDUALADAPTIVEADAPTIVE
When
drive-ready
state
is
switched
on,
the COMFORT
drive
mode
is
selected
automatically.
Driving
modes
in
detail
COMFORT
Concept
Balanced
tuning
between
sporty
and
efficient driving.
Switching
on Press
the
button
repeatedly
until
COM#j
FORT
is
displayed
in
the
instrument
cluster.
SPORT
Concept
Dynamic
tuning
for
higher
agility
with
an
opti#j
mized
chassis
and
suspension.
Switching
on Press
the
button
repeatedly
until
SPORT
is
displayed
in
the
instrument
cluster.
SPORT
INDIVIDUAL
Concept
Individual
settings
can
be
adjusted
in
the
SPORT INDIVIDUAL
driving
mode.
Configuration1."CAR"2."Settings"3."Driving
mode"4."SPORT
INDIVIDUAL"5.Select
the
desired
setting:
The
setting
is
stored
for
the
driver
profile
cur#j
rently
used.
Reset
SPORT
INDIVIDUAL
to
the
standard
set#j
tings:
"Reset
to
SPORT
STANDARD".
Seite
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SPORT
PLUS
Concept
Dynamic
tuning
for
maximum
agility
with
an
ad#j
justed
drive.
Switching
on Press
the
button
repeatedly
until
SPORT
PLUS
is
displayed
in
the
instru#j
ment
cluster.
ECO
PRO Concept
Efficient
driving
setting.
Switching
on Press
the
button
repeatedly
until
ECO
PRO
is
displayed
in
the
instrument
clus#j
ter.
ECO
PRO
INDIVIDUAL Concept
Individual
settings
can
be
adjusted
in
the
ECO
PRO
INDIVIDUAL
driving
mode.
Configuration1."CAR"2."Settings"3."Driving
mode"4."ECO
PRO
INDIVIDUAL"5.Select
the
desired
setting.
The
setting
is
stored
for
the
driver
profile
cur#j
rently
used.
Reset
ECO
PRO
INDIVIDUAL
to
the
standard settings:
"Reset
to
ECO
PRO
STANDARD".
ADAPTIVE
Concept
Comfort-oriented
driving
mode,
whose
tuning
is automatically
modified
to
the
driving
situationand
driving
style.
If
the
navigation
system
is
active,
upcoming
road
sections
are
considered.
Switching
on Press
the
button.
ADAPTIVE
is
dis#j
played
in
the
instrument
cluster.
INDIVIDUAL
configuration
General
information The
individual
configuration
of
the
driving
mode
is
stored
for
the
active
driver
profile.
The
last
set
configuration
is
activated
directly
when
the
driv#j
ing
mode
is
called
up
again.
Activating
configuration
of
the
driving
mode
Press
the
button
for
the
desired
driving
mode
several
times.
Parking
brake
Concept
The
parking
brake
is
used
to
prevent
the
vehicle
from
rolling
when
it
is
parked.
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
roll#j ing.
In
order
to
ensure
that
the
vehicle
is
secured against
rolling
away,
follow
the
following:
Seite
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'xSet
the
parking
brake.'xOn
uphill
grades
or
on
a
downhill
slope,turn
the
front
wheels
in
the
direction
of
thecurb.'xOn
uphill
grades
or
on
a
downhill
slope,
also
secure
the
vehicle,
for
instance
with
a
wheel
chock.
Warning
Unattended
children
or
animals
in
the
vehicle
can
cause
the
vehicle
to
move
and
endanger themselves
and
traffic,
for
instance
due
to
the
following
actions:
'xPressing
the
Start/Stop
button.'xReleasing
the
parking
brake.'xOpening
and
closing
the
doors
or
win#j
dows.'xEngaging
selector
lever
position
N.'xUsing
vehicle
equipment.
There
is
a
risk
of
accidents
or
injuries.
Do
not
leave
children
or
animals
unattended
in
the
ve#j hicle.
Take
the
vehicle
key
with
you
when
exit#j
ing
and
lock
the
vehicle.
Overview
Parking
brake
Setting
With
a
stationary
vehicle Pull
the
switch.
The
LED
lights
up.
The
indicator
light
in
the
instrument
clus#j
ter
illuminates
red.
The
parking
brake
is
set.
While
driving
General
information
To
use
as
emergency
brake
while
driving.
Pull
the
switch
and
hold
it.
The
vehiclebrakes
hard
while
the
switch
is
being
pulled.
The
indicator
light
in
the
instrument
clus#jter
illuminates
red,
a
signal
sounds,
and
the
brake
lights
illuminate.
A
Check
Control
message
is
displayed.
The
parking
brake
is
engaged
when
the
vehicle
is
stationary.
With
Emergency
Stop
Assistant Pull
the
switch
briefly
to
activate
the
emer#j
gency
stop
function.
Additional
information:
Emergency
Stop
Assistant,
refer
to
page
204.
Releasing
Releasing
manually1.Switch
on
drive-ready
state.2.

Steptronic
transmission:
press
the
switch
while
the
brake
is
pressed
or
selector
lever
position
P
is
set.
The
LED
and
indicator
light
go
out.
The
parking
brake
is
released.
Seite
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