BMW 4 SERIES COUPE 2018 Manual Online

DrivingVehicle
features
and
options
This chapter describes all standard, country- specific and optional features offered with theseries. It also describes features that are notnecessarily available in your vehicle, e. g., due
to the selected options or country versions.
This also applies to safety-related functions
and systems. When using these functions and systems, the applicable laws and regulations
must be observed.
Start/Stop
buttonConcept Pressing the Start/Stop button
switches the ignition on or off
and starts the engine.
Steptronic transmission: the enj gine starts with the brake pedal
pressed when you press the Start/Stop button.
Manual transmission: the engine starts with the clutch pedal pressed when the Start/Stopbutton is pressed.
Ignition
on Steptronic transmission: press the Start/Stop
button, and do not press on the brake pedal at
the same time.
Manual transmission: press the Start/Stop butj ton without stepping on the clutch pedal.
All vehicle systems are ready for operation.
Most of the indicator/warning lights in the inj
strument cluster light up for a varied length of
time.
To save battery power when the engine is off,
switch off the ignition and any unnecessary
electronic systems/power consumers.Ignition
off
Steptronic transmission: press the Start/Stop
button again without stepping on the brake.
Manual transmission: press the Start/Stop butjton again without stepping on the clutch pedal.
All indicator lights in the instrument cluster go
out.
To save battery power when the engine is off, switch off the ignition and any unnecessary
electronic systems/power consumers.
Safety
measures When switching off the ignition, the selectorlever position P is selected automatically if theselector lever position D or R is selected.
The ignition is switched off automatically in the following situations while the vehicle is stationj
ary and the engine is off:'yWhen locking the vehicle, and when the
low beams are switched on.'yShortly before the battery is discharged completely, so that the engine can still be
started.'yWhen opening or closing the driver door, if
the driver's safety belt is unbuckled and
the low beams are switched off.'yWhile the driver's safety belt is unbuckled with driver's door open and low beams off.
The low beams switch to parking lights after
some minutes of no use.
Radio-ready
state
General
information
In the radio-ready state, certain power conj sumers remain ready for operation.
ActivatingWith the engine running, press the Start/Stop
button.
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If the engine is not running and the ignition isswitched on: the system automatically actijvates radio-ready state when the door is
opened if the lights are switched off or the dayj time running lights are switched on.
The radio-ready state remains active if, for inj
stance the ignition is automatically switched
off for the following reasons:'yOpening or closing the driver's door.'yUnfastening of the driver's safety belt.'yWhen automatically switching from low
beams to parking lights.
Switching
off
automatically
The radio-ready state is switched off automatijcally in the following situations:
'yIf the ignition is switched off manually with
the Start/Stop button.'yAfter approx. 8 minutes.'yWhen the vehicle is locked using the cenj
tral locking system.'yShortly before the battery is discharged completely, so that the engine can still be
started.
Starting
the
engine
Safety
information DANGER
If the exhaust pipe is blocked or ventilaj
tion is insufficient, harmful exhaust gases can enter into the vehicle. The exhaust gases conjtain pollutants which are colorless and odorj
less. In enclosed areas, exhaust gases can also
accumulate outside of the vehicle. There is
danger to life. Keep the exhaust pipe free and ensure sufficient ventilation.'

Engine
stop
Safety
information WARNING
Unattended children or animals can
cause the vehicle to move and endanger themj selves and traffic, e.g., due to the following acj
tions:'yPressing the Start/Stop button.'yReleasing the parking brake.'yOpening and closing the doors or winj
dows.'yEngaging selector lever position N.'yUsing vehicle equipment.
There is a risk of accidents or injuries. Do not leave children or animals unattended in the vej
hicle. Take the remote control with you when exiting and lock the vehicle.'

Steptronic transmission:'yThe selector lever is in selector lever posij
tion D.'yThe brake pedal remains depressed while
the vehicle is stopped.'yThe driver's safety belt is buckled or the driver's door is closed.
Manual transmission:
'yNeutral is engaged and the clutch pedal is
not pressed.'yThe driver's safety belt is buckled or the driver's door is closed.
The air flow from the air conditioner is reducedwhen the engine is switched off.
Displays
in
the
instrument
cluster The READY display in the tachjometer signals that the AutoStart/Stop function is ready to
start the engine automatically.
The display indicates that the
conditions for an automatic enj
gine stop have not been met.
Functional
limitations The engine is not switched off automatically in
the following situations:
'yExternal temperature too low.'yThe external temperature is high and autoj
matic climate control is running.'yThe car's interior has not yet been heated
or cooled to the required level.'yThe engine is not yet at operating temperj ature.'yThe wheels are at a sharp angle or the
steering wheel is being turned.'yAfter driving in reverse.'yFogging of the windows when the autoj matic climate control is switched on.'yVehicle battery is heavily discharged.'yAt higher elevations.'yThe hood is unlocked.'yThe parking assistant is activated.'yStop-and-go traffic.'ySelector lever in selector lever position N,
M/S or R.'yUse of fuel with high ethanol content.
Starting
the
engine
The engine starts automatically under the foljlowing conditions:
'ySteptronic transmission: by releasing the
brake pedal.'yManual transmission: clutch pedal is
pressed.
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 following conditions are met:
'yThe driver's safety belt is unbuckled and
the driver's door is open.'yThe hood was unlocked.
Some indicator lights light up for a varied length of time.
The engine can only be started via the Start/
Stop button.
Functional
limitations
Even if driving off was not intended, the deactij vated engine starts up automatically in the folj
lowing situations:
'yExcessive warming of the car's interior when the air conditioning is switched on.'yThe steering wheel is turned.'ySteptronic transmission: change from sejlector lever position D to R, N or M/S.Seite 84ControlsDriving84
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'ySteptronic transmission: change from sejlector lever position P to N, D, R or M/S.'yThe vehicle begins rolling.'yFogging of the windows when the autojmatic climate control is switched on.'yVehicle battery is heavily discharged.'yExcessive cooling of the car's interior when
the heating is switched on.'yLow brake vacuum pressure; this can ocj
cur, for instance if the brake pedal is dej pressed a number of times in succession.
Activating/deactivating
the
system
manually
Using
the
button
Press button.
'yLED comes on: auto Start/Stop function is deactivated.
The engine is started during an automatic engine stop.
The engine can only be stopped or started
via the Start/Stop button.'yLED goes out: auto Start/Stop function is activated.
Switching
off
the
vehicle
during
an
automatic
engine
stop
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. The ignition is switched off. The Auto Start/Stop functionis deactivated.
Selector lever position P is engaged autoj
matically.2.Set the parking brake.
Manual transmission:
1.Press the Start/Stop button. The ignition is switched off. The Auto Start/Stop functionis deactivated.2.Shift into first gear or reverse.3.Set the parking brake.
Engine start as usual via Start/Stop button.
Automatic
deactivation
In certain situations, the Auto Start/Stop funcj
tion is deactivated automatically for safety reaj sons, e.g., 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
continue driving. Have the system checked by
a dealerss service center or another qualified
service center or repair shop.
Parking
brake Safety
information WARNING
An unsecured vehicle can begin to move
and possibly roll away. There is a risk of an acj
cident. Before exiting, secure the vehicle
against rolling.
In order to ensure that the vehicle is secured against rolling away, observe the following:
'ySet the parking brake.Seite 85DrivingControls85
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'yOn uphill grades or on a downhill slope,
turn the front wheels in the direction of the
curb.'yOn uphill grades or on a downhill slope,
also secure the vehicle, e.g., with a wheel chock.'

Malfunction
Unusually rapid flashing of the indicator lamp indicates that a turn signal bulb has failed.
High
beams,
headlight
flasher
Push the lever forward or pull it backward.'yHigh beams on, arrow 1.'yHigh beams off/headlight flasher, arrow 2.
Washer/wiper
system
General
information
Do not use the wipers if the windshield is dry, as this may damage the wiper blades or causethem to become worn more quickly.
Safety
information WARNING
If the wipers start moving in the folded
away state, body parts can be jammed or damj age may occur to parts of the vehicle. There isa risk of injury or risk of property damage.Make sure that the vehicle is switched offwhen the wipers are in the folded away stateand the wipers are folded in when switchingon.'

Interval
mode
or
rain
sensor
Concept
The rain sensor automatically controls the time between wipes depending on the intensity ofthe rainfall.
General
information
The sensor is located on the windshield, dij
rectly in front of the interior mirror. Without the
rain sensor, the frequency of the wiper operaj
tion is preset.
Safety
information NOTE
If the rain sensor is activated, the wipers
can accidentally start moving in vehicle
washes. There is a risk of property damage. Deactivate the rain sensor in vehicle washes.'

Cleaning
the
windshield
Pull the lever.
The system sprays washer fluid on the windj shield and activates the wipers briefly.
In addition, the headlights are cleaned at reguj lar intervals when the vehicle's lights are
switched on.
Windshield
washer
nozzles
The washer jets are automatically heated whenever the ignition is switched on.
Fold-away
position
of
the
wipers
Concept
The wipers can be folded away from the windj shield in the fold-away position.
General
information
Important, e.g., when changing the wiper
blades or when folding out under frosty condij tions.
Safety
information WARNING
If the wipers start moving in the folded
away state, body parts can be jammed or damj
age may occur to parts of the vehicle. There is
a risk of injury or risk of property damage. Make sure that the vehicle is switched offwhen the wipers are in the folded away stateand the wipers are folded in when switchingon.'

Washer
fluid
General
information All washer nozzles are supplied from one resjervoir.
Use a mixture of tap water and windshield washer concentrate. If desired, a windshield
washer concentrate containing antifreeze can
be used.
Recommended minimum fill quantity:
0.2 US gal/1 liter.
Safety
information WARNING
Some antifreeze agents can contain
harmful substances and are flammable. There
is a risk of fire and a risk of injury. Observe the instructions on the containers. Keep antifreeze
away from ignition sources. Do not refill operj
ating materials into different bottles. Store opj
erating materials out of reach of children.
United States: the washer fluid mixture ratio is
regulated by the U.S. EPA and many individual states; do not exceed the allowable washer
fluid dilution ratio limits that apply. Follow the
usage instructions on the washer fluid conj
tainer.
Use of BMWss Windshield Washer Concenj
trate or the equivalent is recommended.'