engine BMW M4 CONVERTIBLE 2015 F83 User Guide
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car from weather-related damage and
against theft.▷It is not possible to start the engine and
operate the hardtop simultaneously. When
the engine is started using the Start/Stop
button or using the Auto Start/Stop func‐
tion, the hardtop movement is briefly inter‐
rupted.
At a glance
Hardtop buttons
Functional requirements
The ignition or radio-ready state must be
switched on.
The following requirements must be fulfilled in
order to be able to move the hardtop.
▷The trunk partition is flipped down.▷The loading aid, refer to page 147, is shut
down.▷The trunk lid is closed.▷The external temperature is above
14 ℉/-10 ℃.▷The voltage of the vehicle electrical system
is sufficient.▷The hardtop drive is not overheating.▷The vehicle speed is not too high.▷The lateral tilt of the vehicle is not too
great.▷The windows can be lowered.
If this requirement is not met, a check control
message is displayed.
Safety information
Note the swivel range of the hardtop
The hardtop pivots back and up during
opening and closing. When the hardtop is
moved, e.g., in garages, make sure that the
space at the top is at least 79 inches/2 meters
and the space at the rear is at least 20 in‐
ches/50 centimeters; otherwise, damages may
result.◀
Do not place objects on the hardtop
Do not place any objects on the hardtop,
otherwise, they could fall and cause damage or
injuries.◀
No hardtop movement when rollover pro‐
tection is activated
Do not move the hardtop when rollover protec‐
tion is activated; otherwise, it may result in
damage to the hardtop.◀
Open and close hardtop completely
Always open or close the hardtop com‐
pletely. Hardtop and hardtop well storage
cover are locked in the final positions. Driving
with the hardtop or hardtop well storage cover
unlocked can result in damage.◀
Do not reach into the hardtop mecha‐
nism
Do not reach into the hardtop mechanism dur‐
ing the opening and closing operation. Keep
children away from the opening path of the
hardtop, otherwise, there is a risk of injury.◀
Observe traffic during operation
When the hardtop is opened while driv‐
ing, be alert to traffic; otherwise, it may result in
an accident. If possible, do not move the hard‐
top while driving in reverse because rearward
vision is severely impaired while the hardtop is
in motion. During windy conditions, do not op‐
erate the hardtop while driving.◀Seite 47Opening and closingControls47
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Do not attach any roof carrier systems to
the hardtop
Do not attach any roof carrier systems; other‐
wise, an accident may occur.◀
Do not operate hardtop on uneven sec‐tions or road
Do not open or close hardtop on uneven sec‐
tions of road. Otherwise, the vibrations can re‐
sult in damage to the hardtop.◀
Using the trunk
When hardtop is open
Luggage can only be stored under the trunk
partition; note the respective label.
When hardtop is closed
Luggage can be stowed under the trunk parti‐
tion and to the left and right of the lifting mech‐
anism; note the respective label.
Remove articles of luggage from the side
areas
Before opening the hardtop, remove all pieces
of luggage from the side areas. Otherwise, lug‐
gage and hardtop can be damaged.◀
Before opening and closing▷Follow the safety instructions for the hard‐
top.▷Make sure that the trunk partition in the
trunk is folded down.▷Make sure that the cargo does not push
against the trunk partition from below.▷Make sure that the trunk lid is closed.
Opening and closing from the inside
In order to protect the battery, move the hard‐
top only when the engine is running if possible.
Before closing the hardtop, remove any foreign
objects from the windshield frame; otherwise,
closing may be prevented.
▷Press and hold the reel. The win‐
dows are rolled down, and the
hardtop opens as long as the reel is
pressed.▷Pull the reel and hold it. The win‐
dows are lowered, the hardtop
closes and the windows are raised again as
long as the reel is pulled.
Push or pull reel until the hardtop is completely
open or closed and the end of the procedure is
indicated by a corresponding Check Control
message. Always make sure that the hardtop
well storage cover is completely closed. If the
hardtop is completely open or closed, hardtop
and hardtop well storage cover are latched.
Interruption Open and close hardtop completely
Always open or close the hardtop com‐
pletely. Hardtop and hardtop well storage
cover are locked in the final positions. Driving
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Adjusting electricallyThe setting corresponds to the direc‐
tion in which the button is pressed.
Saving positions
Seat and mirror memory, refer to page 56.
Adjusting manually In case of electrical malfunction press edges of
mirror.
Automatic Curb Monitor The concept
If reverse gear is engaged, the mirror glass on
the front passenger side is tilted downward.
This improves your view of the curb and other
low-lying obstacles when parking, e.g.
Activating1. Slide the switch to the driver's side
mirror position.2.Engage selector lever position R.
Deactivating
Slide the switch to the passenger side mirror
position.
Fold in and out Press button.
Possible at speeds up to approx.
15 mph/20 km/h.
E. g. this is advantageous
▷In car washes.▷In narrow streets.▷For folding mirrors back out that were
folded away manually.
Mirrors that were folded in are folded out auto‐
matically at a speed of approx.
25 mph/40 km/h.
Fold in the mirror in a car wash
Before washing the car in an automatic
car wash, fold in the exterior mirrors by hand or
with the button; otherwise, the mirrors could
be damaged, depending on the width of the
vehicle.◀
Automatic heating
Both exterior mirrors are automatically heated
whenever the engine is running.
Automatic dimming feature Both exterior mirrors are automatically dim‐
med. Photocells are used to control the Interior
rearview mirror, refer to page 58.
Interior rearview mirror, automatic
dimming feature
The concept
Photocells are used for control:
▷In the mirror glass.▷On the back of the mirror.
Functional requirement For proper operation:
▷Keep the photocells clean.▷Do not cover the area between the inside
rearview mirror and the windshield.Seite 58ControlsAdjusting58
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DrivingVehicle features and options
This 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.
Start/Stop button The concept Pressing the Start/Stop button
switches the ignition on or off
and starts the engine.
M Double-clutch transmission:
The engine starts if the brakes
are stepped on while pressing the Start/Stop
button.
Manual transmission: The engine starts with
the clutch pedal pressed when the Start/Stop
button is pressed.
Ignition onM double-clutch transmission: Press the Start/
Stop button without stepping on the brake.
Manual transmission: Press the Start/Stop but‐
ton without stepping on the clutch pedal.
All vehicle systems are ready for operation.
Most of the indicator and warning lights in the
instrument 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
M double-clutch transmission: Press the Start/
Stop button again without stepping on the
brake.
Manual transmission: Press the Start/Stop but‐
ton 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.
P when the ignition is switched off
P is engaged automatically when the ig‐
nition is switched off. When in an automatic car
wash, e.g., ensure that the ignition is not
switched off accidentally.◀
The ignition automatically cuts off while the
vehicle is stationary and the engine is stopped:▷When locking the vehicle, and when the
low beams are activated.▷Shortly before the battery is discharged
completely, so that the engine can still be
started. This function is only available
when the low beams are turned off.▷When opening or closing the driver door, if
the driver's safety belt is unbuckled and
the low beams are turned off.▷While the driver's safety belt is unbuckled
with driver's door open and low beams off.
The low beams switch to parking lights after
approx. 15 minutes of no use.
Radio ready state
Activate radio-ready state:
▷When the engine is running: press the
Start/Stop button.
Some electronic systems/power consumers
remain ready for operation.
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The radio-ready state switches off automati‐
cally:▷After approx. 8 minutes.▷When the vehicle is locked using the cen‐
tral locking system.▷Shortly before the battery is discharged
completely, so that the engine can still be
started.
The radio-ready state remains active if, e.g.,
the ignition is automatically switched off for the
following reasons:
▷Opening or closing the driver's door.▷Unfastening of the driver's safety belt.▷When automatically switching from low
beams to parking lights.
If the engine is switched off and the ignition is
switched on, the system automatically
switches to the radio-ready state if the lights
are turned off or, if correspondingly equipped,
the daytime running lights are activated.
Starting the engine
Hints Enclosed areas
Do not let the engine run in enclosed
areas, since breathing in exhaust fumes may
lead to loss of consciousness and death. The
exhaust gases contain carbon monoxide, an
odorless and colorless but highly toxic gas.◀
Unattended vehicle
Do not leave the vehicle unattended with
the engine running; doing so poses a risk of
danger.
Before leaving the vehicle with the engine run‐
ning, set the parking brake and engage trans‐
mission position P; otherwise, the vehicle may
begin to move.◀
Repeated starting in quick succession
Avoid trying to start the vehicle repeat‐
edly and in quick succession. Otherwise, the
fuel is not burned or is inadequately burned,
posing a risk of overheating and damage to the
catalytic converter.◀
Do not wait for the engine to warm-up while
the vehicle remains stationary. Start driving at
moderate engine speeds.
M double-clutch transmission
Starting the engine1.Depress the brake pedal.2.Press the Start/Stop button.
The ignition is activated automatically for a
certain time and is stopped as soon as the en‐
gine starts.
Manual transmission
Starting the engine
1.Depress the brake pedal.2.Press on the clutch pedal and shift to neu‐
tral.3.Press the Start/Stop button.
The ignition is activated automatically for a
certain time and is stopped as soon as the en‐
gine starts.
Engine stop
Hints Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, e.g., can‐
not start the engine.◀
Apply parking brake and further secure
the vehicle if needed.
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could roll. On steep upward
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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 204.
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 67.
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 65DrivingControls65
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▷The engine is not yet at operating temper‐
ature.▷The wheels are at a sharp angle or the
steering wheel is being turned.▷After driving in reverse.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷At higher elevations.▷The engine compartment lid is unlocked.▷The parking assistant is activated.▷Stop-and-go traffic.▷Use of fuel with high ethanol content.
Starting the engine
The engine starts automatically under the fol‐
lowing conditions:
▷M double-clutch transmission:
By releasing the brake pedal.▷Manual transmission:
The 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.
▷The driver's safety belt is unbuckled and
the driver's door is open.▷The 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 deacti‐
vated engine starts up automatically in the fol‐
lowing situations:
▷Excessive warming of the car's interior
when the cooling function is switched on.▷The steering wheel is turned.▷Double-clutch transmission: Change from
selector lever position D to N, R or D/S.▷M double-clutch transmission: Accelerat‐
ing while simultaneously applying the
brake.▷The vehicle begins rolling.▷Fogging of the windows when the auto‐
matic climate control is switched on.▷Vehicle battery is heavily discharged.▷Excessive cooling of the car's interior when
the heating is switched on.▷Low brake vacuum pressure; this can oc‐
cur, e.g., if the brake pedal is depressed a
number of times in succession.
Preventing an automatic engine stop with aM double-clutch transmission
The concept To make it possible to drive off very quickly,
such as at an intersection, the automatic en‐
gine stop can be actively prevented.
Preventing an engine stop using the
brake pedal
The engine stop can be actively prevented
within one second after the vehicle comes to a
standstill.
▷Immediately after the vehicle comes to a
standstill, briefly press the brake pedal
forcefully.▷Then press the brake pedal with normal
braking force.Seite 66ControlsDriving66
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Activating/deactivating the system
manually
Using the button
Press button.
▷LED 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.▷LED 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, e. g., when
leaving it.
1.Press the Start/Stop button. The ignition is
switched off. The Auto Start/Stop function
is deactivated.
P is engaged automatically.2.Set the parking brake.
Engine start as usual via Start/Stop button.
Automatic deactivation
In certain situations, Auto Start/Stop function
is deactivated automatically for safety reasons
as if the driver were absent.
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.
Parking brake Applying
The lever automatically engages after being pulled up.
The indicator lamp lights up red. The
parking brake is set.
Lower lamp: indicator lamp in Canadian
models
Releasing
Raise lever slightly, press the button and guide
the lever down.
Hints Use while driving
On rare occasions if it is necessary to use
the parking brake while driving, do not use ex‐
cessive force when applying it. When using it,
keep the button on the lever depressed.
Otherwise, using excessive force when apply‐
ing the parking brake may cause the rear
wheels to lock, resulting in fishtailing.◀
To prevent corrosion and one-sided brake ac‐
tion, lightly apply the parking brake periodically
while coasting, if traffic conditions permit.
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tainer. Use BMW’s Windshield Washer Con‐
centrate or the equivalent.◀
Adding washer fluid
Only add washer fluid when the engine is
cool, and then close the cover completely to
avoid contact between the washer fluid and
hot engine parts.
Otherwise, there is a danger of fire and a risk to
personal safety if the fluid is spilled.◀
Washer fluid reservoir
All washer nozzles are supplied from one res‐
ervoir.
Fill with a mixture of windshield washer con‐
centrate and tap water and – if required – with a
washer antifreeze, according to the manufac‐
turer's recommendations.
Mix the washer fluid before adding to find the
right mixture.
Do not add windshield washer concentrate and
antifreeze undiluted and do not fill with pure
water; this could damage the wiper system.
Do not mix window washer concentrates of dif‐
ferent manufacturers because they can clog
the windshield washer nozzles.
Recommended minimum fill quantity:
0.2 US gal/1 liter.
Manual transmission
Shifting Shifting into 5th or 6th gear
When shifting into 5th or 6th gear, push
the gearshift lever to the right; otherwise, inad‐
vertent shifting into 3rd or 4th gear could lead
to engine damage.◀
Reverse gear
Select only when the vehicle is stationary.
To overcome the resistance push the selector
lever dynamically to the left and engage the re‐
verse gear.
M double-clutch
transmission with Drivelogic
General information The M double-clutch transmission with Drive‐
logic is an automatic shift transmission with
two clutches and partial transmissions in which
the gears can be changed without interrupting
the tractive force.
The operation is via the selector lever or two
shift paddles on the steering wheel.
Functions▷Drive mode or Sequential mode.▷Various drive programs, Drivelogic.▷Upshifting display, Shift point indicator, re‐
fer to page 93.▷Automatic downshifting and protection
from misshifting even in sequential mode.▷Launch Control.▷Low Speed Assistant.Seite 71DrivingControls71
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▷Upshifting or downshifting is done only if
the rpm and vehicle speed are appropriate.
For example, there is no downshifting if the
engine speed is too high.▷Kickdown: the lowest possible gear is se‐
lected by simultaneously operating the
kickdown and the left shift paddle or selec‐
tor lever.▷It is also possible to start out in 2nd gear,
e. g. on icy roads.
Switch to Drive mode: push selector lever in
D/S direction.
R is Reverse
Select only when the vehicle is stationary.
It is also possible to rock the vehicle up to
6 mph/10 km/h. To do this, reel between for‐
ward gear and reverse gear without stepping
on the brakes in the process.
N is NeutralUse in automatic car washes, e.g. The vehicle
can then roll, refer to page 204.
P Park The drive wheels are blocked.
P is engaged automatically:
▷After the engine is switched off when the
vehicle is in radio-ready state, refer to
page 63, or when the ignition is switched
off, refer to page 63, and when position R
or D is set.▷With the ignition is off, if position N is set.
Displays in the instrument cluster
Drive mode
▷Engaged gear together with
a D, arrow 1.▷Selected driving program,
Drivelogic, refer to
page 73, arrow 2.Sequential mode▷Engaged gear, arrow 1.▷Selected driving program,
Drivelogic, refer to
page 73, arrow 2.▷Gear shift indicator, refer to
page 85
Note
When the external temperature is very low, the
display may not work. Current driving direction
is recognizable at the engaged selector lever
position.
Gear change
Shifting in Sequential mode possible.
A shift in Drive mode causes a reel to Sequen‐
tial mode.
Using the selector lever
▷To shift up: pull the selector lever rear‐
wards.▷To shift down: press the selector lever for‐
ward.
Using the shift paddles on the steering wheel
▷Shift up: pull right shift paddle.▷Shift down: pull left shift paddle.
Drivelogic
Various driving programs are available.
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