ECU BMW M4 2015 User Guide

and downward inclines, further secure the ve‐
hicle, e.g., by turning the steering wheel in the
direction of the curb.◀
Before driving into a car wash
So that the vehicle can roll into a car wash ob‐
serve instructions for going into an automatic
car wash, refer to page 205.
M double-clutch transmission
Switching off the engine1.Apply the brakes until the vehicle comes to
a stop.2.Press the Start/Stop button.
The engine is switched off.
The radio-ready state is switched on.3.Set the parking brake.
Manual transmission
Switching off the engine
1.With the vehicle at a standstill, press the
Start/Stop button.2.Shift into first gear or reverse.3.Set the parking brake.
Auto Start/Stop function
The concept The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, e.g., in traffic congestion or at traffic lights. The ignition remains switched on. The
engine starts again automatically for driving
off.
Automatic mode After every start of the engine using the Start/
Stop button, the Auto Start/Stop function is in
the last selected state, refer to page 66.
When the Auto Start/Stop function is active, it
is available when the vehicle is traveling faster
than about 3 mph, approx. 5 km/h.
Engine stop
The engine is switched off automatically dur‐
ing a stop under the following conditions:
M double-clutch transmission:▷The selector lever is in selector lever posi‐
tion D.▷Brake pedal remains depressed while the
vehicle is stopped.▷The driver's safety belt is buckled or the
driver's door is closed.
Manual transmission:
▷Neutral is engaged and the clutch pedal is
not pressed.▷The driver's safety belt is buckled or the
driver's door is closed.
The air flow from the air conditioner is reduced
when the engine is switched off.
Displays in the instrument cluster The READY display in the tach‐
ometer signals that the Auto
Start/Stop function is ready to
start the engine automatically.
The display indicates that the
conditions for an automatic en‐
gine stop have not been met.
Functional limitations The engine is not switched off automatically in
the following situations:
▷External temperature too low.▷The external temperature is high and auto‐
matic climate control is running.▷The car's interior has not yet been heated
or cooled to the required level.Seite 64ControlsDriving64
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Display additional information about the
Check Control message in the Integrated
Owner's Manual.▷ "Service request"
Contact your service center.▷ "Roadside Assistance"
Contact Roadside Assistance.
Hiding Check Control messages
Press the onboard computer button on the
turn signal lever.
▷Some Check Control messages are dis‐
played continuously and are not cleared
until the malfunction is eliminated. If sev‐
eral malfunctions occur at once, the mes‐
sages are displayed consecutively.
These messages can be faded for approx.
8 seconds. After this time, they are dis‐
played again automatically.▷Other Check Control messages are faded
automatically after approx. 20 seconds.
They are stored and can be displayed
again later.
Displaying stored Check Control
messages
On the Control Display:
1."Vehicle info"2."Vehicle status"3. "Check Control"4.Select the text message.Messages after trip completion Special messages displayed while driving are
displayed again after the ignition is switched
off.
Fuel gauge Vehicle tilt position may cause
the display to vary.
Depending on the equipment
version, the arrow beside the
fuel pump symbol shows which
side of the vehicle the fuel filler flap is on.
Hints on refueling, refer to page 168.
Tachometer The yellow and red LEDs displaythe permitted speed range. The
permitted engine speed in‐
creases as the engine oil tem‐
perature increases.
Avoid engine speeds in the yellow warning field.
Always avoid engine speeds in the red warning
field. In this range, the fuel supply is inter‐
rupted to protect the engine.
Engine oil temperature▷Cold engine: the pointer is at
the low temperature end.
Drive at moderate engine
and vehicle speeds.▷Normal operating tempera‐
ture: the pointer is in the
middle or in the left half of
the temperature display.▷Hot engine: the pointer is at the high end of
the temperature range. A Check Control
message is also displayed.Seite 80ControlsDisplays80
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Acute warnings can also be triggered without
previous prewarning.
Braking intervention The warning prompts the driver himself/herself
to react. During a warning, the maximum brak‐
ing force is used. Premise for the brake boos‐
ter is sufficiently quick and hard stepping on
the brake pedal. The system can assist with
some braking intervention if there is risk of a
collision. At low speeds vehicles may thus
come to a complete stop.
Manual transmission: During a braking inter‐
vention up to a complete stop, the engine may
be shut down.
The braking intervention is executed only if
DSC Dynamic Stability Control is switched on
and M Dynamic mode MDM is not activated.
The braking intervention can be interrupted by
stepping on the accelerator pedal or by ac‐
tively moving the steering wheel.
Object detection can be restricted. Limitations
of the detection range and functional restric‐
tions are to be considered.
System limits
Detection range
The system's detection potential is limited.
Thus a warning might not be issued or be is‐
sued late.
E. g. the following situations may not be de‐
tected:▷Slow moving vehicles when you approach
them at high speed.▷Vehicles that suddenly swerve in front of
you, or sharply decelerating vehicles.▷Vehicles with an unusual rear appearance.▷Two-wheeled vehicles ahead of you.
Functional limitations
The system may not be fully functional in the
following situations:
▷In heavy fog, rain, sprayed water or snow‐
fall.▷In tight curves.▷If the driving stability control systems are
limited or deactivated, e.g., DSC OFF.▷If the field of view of the camera in the mir‐
ror is dirty or obscured.▷Up to 10 seconds after the start of the en‐
gine, via the Start/Stop knob.▷During calibration of the camera immedi‐
ately after vehicle shipment.▷If there is constant blinding effects be‐
cause of oncoming light, e. g., from the sun
low in the sky.
Warning sensitivity
The more sensitive the warning settings are,
e.g. the warning time, the more warnings are
displayed. However, there may also be an ex‐
cess of false warnings.
Pedestrian warning with city
braking function
The concept The ystem can help prevent accidents with pe‐
destrians.
The system issues a warning in the city driving
speed area if there is imminent danger of a col‐
lision with pedestrians and includes a braking
function.
The camera in the area of the rearview mirror
controls the system.
General information In daylight the system warns of possible colli‐
sions with pedestrians at speeds from about
6 mph/10 km/h to about 35 mph/60 km/h
shortly before a collision the system supports
you with a braking intervention.
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Switching on/off
Switching on automatically The system is automatically active after every
driving-off.
Switch off Press button: the systems are turned
off. The LED goes out.
Press button: the systems are turned on. The
LED lights up.
Warning with braking function
Display
If a collision with a person detected in this way
is imminent, a warning symbol appears on the
instrument cluster and in the Head-up Display.
The red symbol is displayed and a sig‐
nal sounds.
Intervene immediately by braking or make an
evasive maneuver.
Braking intervention
The warning prompts the driver himself/herself
to react. During a warning, the maximum brak‐
ing force is used. Premise for the brake boos‐
ter is sufficiently quick and hard stepping on
the brake pedal. The system can assist with
some braking intervention if there is risk of a
collision. At low speeds vehicles may thus
come to a complete stop.
Manual transmission: During a braking inter‐
vention up to a complete stop, the engine may
be shut down.
The braking intervention is executed only if
DSC Dynamic Stability Control is switched on
and M Dynamic mode MDM is not activated.
The braking intervention can be interrupted by
stepping on the accelerator pedal or by ac‐
tively moving the steering wheel.Object detection can be restricted. Limitations
of the detection range and functional restric‐
tions are to be considered.
System limits
Detection range
The detection potential of the camera is lim‐
ited.
Thus a warning might not be issued or be is‐
sued late.
E. g. the following situations may not be de‐
tected:▷Partially covered pedestrians.▷Pedestrians that are not detected as such
because of the viewing angle or contour.▷Pedestrians outside of the detection range.▷Pedestrians having a body size less than
32 in/80 cm.
Functional limitations
The system may not be fully functional or may
not be available in the following situations:
▷In heavy fog, rain, sprayed water or snow‐
fall.▷In tight curves.▷If the driving stability control systems are
deactivated, e.g. DSC OFF.▷If the camera viewing field or the front
windshield are dirty or covered.▷Up to 10 seconds after the start of the en‐
gine, via the Start/Stop knob.▷During calibration of the camera immedi‐
ately after vehicle shipment.▷If there is constant blinding effects be‐
cause of oncoming light, e. g., from the sun
low in the sky.▷When it is dark outside.Seite 109SafetyControls109
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Interior equipmentVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Universal Integrated Remote Control
The concept The universal garage door opener can operate
up to 3 functions of remote-controlled sys‐
tems such as garage door drives or lighting
systems. The universal garage door opener re‐
places up to 3 different hand-held transmitters.
To operate the remote control, the buttons on
the interior rearview mirror must be program‐
med with the desired functions. The hand-held
transmitter for the particular system is required
in order to program the remote control.
During programming
During programming and before activat‐
ing a device using the universal garage door
opener, ensure that there are no people, ani‐
mals or objects in the area of the remote-con‐
trolled device; otherwise, there is a risk of in‐
jury or damage.
Also follow the safety instructions of the hand-
held transmitter.◀
Before selling the vehicle, delete the stored
functions for the sake of security.Compatibility
If this symbol is printed on the packag‐
ing or in the instructions of the system
to be controlled, the system is gener‐
ally compatible with the universal garage door opener.
If you have any questions, please contact:▷Your service center.▷www.homelink.com on the Internet.
HomeLink is a registered trademark of Gentex
Corporation.
Control elements on the interior
rearview mirror
▷LED, arrow 1.▷Buttons, arrow 2.▷The hand-held transmitter, arrow 3, is re‐
quired for programming.
Programming
General information
1.Switch on the ignition.2.Initial setup:
Press and hold the left and right button on
the interior rearview mirror simultaneously
for approximately 20 seconds until the LED
on the interior rearview mirror flashes. ThisSeite 139Interior equipmentControls139
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Without telephone: overview
The USB interface is located in the glove com‐
partment.
With telephone: overview
The USB interface is located in the center arm‐
rest.
Through-loading system The concept The cargo area can be enlarged by folding
down the rear seat backrest.
The rear seat backrest is divided into two parts at a ratio of 60 to 40.
The sides can be folded down separately or to‐
gether.
Hints Danger of jamming
Before folding down the rear seat back‐
rests, ensure that the area of movement of the
backrests is clear. Ensure that no one is lo‐
cated in or reaches into the area of movement
of the rear seat backrests. Otherwise, injury or
damage may result.◀
Ensuring the stability of the child seat
When installing child restraint systems,
make sure that the child seat is securely fas‐
tened to the backrest of the seat. Angle and
headrest of the backrest might need to be ad‐
justed or possibly be removed. Make sure that
all backrests are securely locked. Otherwise
the stability of the child seat can be affected,
and there is an increased risk of injury because
of unexpected movement of the seat back‐
rest.◀
Opening1.Pull the corresponding lever in the cargo
area to release the rear seat backrest.2.The unlocked backrest moves forward
slightly.3.Fold backrest forward.
Closing
Return the rear seat backrest to the upright
seating position and engage it.
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Ensure that the lock is securely engaged
Make sure that the lock engages prop‐
erly when folding back, otherwise transported
cargo could enter the car's interior during brak‐
ing or evasive maneuvers and endanger the
vehicle's occupants.◀
To secure cargo, refer to page 161, with nets
or draw straps, the cargo area is fitted with
lashing eyes.Seite 146ControlsInterior equipment146
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Storage compartmentsVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Hints No loose objects in the car's interior
Do not stow any objects in the car's inte‐
rior without securing them; otherwise, they
may present a danger to occupants e.g., during
braking and evasive maneuvers.◀
Do not place anti-slip mats on the dash‐
board
Do not place anti-slip mats on the dashboard.
The mat materials could damage the dash‐
board.◀
Storage compartments The following storage compartments are avail‐
able in the vehicle interior:▷Glove compartment on the front passenger
side, refer to page 147.▷Glove compartment on the driver's side,
refer to page 148.▷Without Smoker's package: Front storage
compartment, in front of the cupholders,
refer to page 148.▷Storage compartment in the front center
armrest, refer to page 148.▷Compartments in the doors, refer to
page 148.▷Nets on the backrests of the front seats.▷Storage compartment between the rear
seats, refer to page 149.
Glove compartment
Front passenger side
Note Close the glove compartment again im‐
mediately
Close the glove compartment immediately af‐
ter use while driving; otherwise, injury may oc‐
cur during accidents.◀
Opening
Pull the handle.
The light in the glove compartment switches
on.
ClosingFold cover closed.
Locking
The glove compartment can be locked with an
integrated key to separately secure the trunk
lid, refer to page 41, e.g.
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The multi-function hooks can be loaded up to
a max. of 8.8 lbs/4 kg.
Lightweight objects only
Only hang lightweight objects, e.g. shop‐
ping bags, from the multifunction hooks. Oth‐
erwise, there is a danger of objects flying about
during braking and evasive maneuvers.
Only transport heavy luggage in the trunk if it
has been appropriately secured.◀
Retaining strap A retaining strap is available on the right side
trim for fastening small objects.
Lashing eyes in the cargo area
To secure the cargo, refer to page 161, there
are four lashing eyes in the cargo area.
Floor net
The floor net can also be used to Secure the
load, refer to page 161, and to store small
parts.
Storage compartment under the cargo
floor panel
Maximum load
To avoid damage to the vehicle, do not
exceed a maximum permitted load of 44 lbs/
20 kg in the storage compartment under the
cargo floor panel.◀
Raise the cargo floor panel, arrow 1, and latch
at top, if needed, arrow 2.
Partitioning the compartment
The compartment can be divided using an at‐
tachable partition.Seite 150ControlsStorage compartments150
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Objects within the range of movement
of the pedals
No objects in the area around the pedals
Keep floor mats, carpets, and any other
objects out of the pedal area; otherwise, the
function of the pedals could be impeded while
driving and create the risk of an accident.
Do not place additional floor mats over existing
mats or other objects.
Only use floor mats that have been approved
for the vehicle and can be properly attached to
floor.
Ensure that the floor mats are securely fas‐
tened again after they were removed for clean‐
ing, e.g.◀
Driving in wet conditions When roads are wet, salted, or in heavy rain,
press brake pedal ever so gently every few
miles.
Ensure that this action does not endanger other traffic.
The heat generated in this process helps dry
the brake discs and pads.
In this way braking efficiency will be available
when you need it.
Hills Avoid stressing the brakes
Avoid placing excessive stress on the
brake system. Light but consistent brake pres‐
sure can lead to high temperatures, brakes
wearing out and possibly even brake failure.◀
Do not drive in neutral
Do not drive in neutral or with the engine
stopped, as doing so disables engine braking.
In addition, steering and brake assist are un‐
available with the engine stopped.◀
Drive long or steep downhill gradients in the
gear that requires least braking efforts. Other‐wise the brakes may overheat and reduce
brake efficiency.
Manual transmission:
You can increase the engine's braking effect
by shifting down, going all the way to first gear,
if needed.
M double-clutch transmission:
You can increase the engine's braking effect
by shifting down in sequential mode, refer to
page 71.
Brake disc corrosion
Brake disc corrosion and contamination of the
brake pads are favored by:▷Low mileage.▷Extended periods when the vehicle is not
used at all.▷Infrequent use of the brakes.
Corrosion will built up when the maximum
pressure applied to the brake pads during
braking is not reached - thus discs don't get
cleaned.
Corrosion buildup on the brake discs will cause
a pulsating effect on the brakes in their re‐
sponse - generally that cannot be corrected.
Condensation under the parked
vehicle
When using the automatic climate control,
condensation water develops collecting under‐
neath the vehicle.
These traces of water under the vehicle are
normal.
Ground clearance Limited ground clearance
Observe the limited ground clearance of
the vehicle, e. g. while entering underground
parking garages or when driving over obsta‐
cles. Otherwise, damages to the vehicle may
result.◀
Seite 158Driving tipsThings to remember when driving158
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