2012 BMW 640I CONVERTIBLE engine

▷
When the convertible top is opened during
driving, be alert to traffic; otherwise, it may
result
in an accident. If possible, do not move
the convertible top while driving in reverse
because rearward vision is severely im‐
paired while the convertible top is in motion.
During windy conditions, do not operate the
convertible top while driving. Do not drive
faster than 30 mph/50 km/h; otherwise, ve‐
hicle damage may occur.
▷ Do not attach any roof carrier systems; oth‐
erwise, an accident may occur.◀
Functional requirements
The ignition or radio ready state must be
switched on.
It

is not possible to start the engine and operate
the convertible top simultaneously. When the
engine is started, the convertible top movement
is briefly interrupted.
Under the following conditions, the convertible
top movement cannot be moved and a Check
Control message is displayed.
▷ Cargo area partition is flipped up.
▷ Trunk lid is open.
▷ External temperature is too low.
▷ Vehicle system too low.
▷ Convertible top drive is overheating.
▷ Movement of the convertible top not al‐
lowed because of national regulations.
▷ Vehicle speed is too high.
Before opening and closing
▷ Follow the safety instructions for the con‐
vertible top.
▷ Make sure that the cargo area partition in the
cargo area is folded down.
▷ Make sure that the cargo does not push
against the cargo area partition from below.
▷ Make sure that the trunk lid is closed. Convertible top switch
1
Switch
2 LEDs
Opening and closing from the inside
In order to protect the battery, move the con‐
vertible top only when the engine is running if
possible.
Before closing the convertible top, remove any
foreign objects from the windshield frame; oth‐
erwise, closing may be prevented.
▷ Press and hold the switch. The con‐
vertible top opens while the switch
is being pressed. ▷
Pull the switch and hold it. The con‐
vertible top closes while the switch
is being pulled. Push or pull switch until the convertible top is
completely open or closed and the end of the
procedure is indicated by a corresponding
Check

Control message. Always make sure that
the convertible top well storage cover is com‐
pletely closed. If the convertible top is com‐
pletely open or closed, convertible top and con‐
vertible top well storage cover are latched.
The side windows and the rear window go down
when the convertible top control switch is pulled
or pushed.
LEDs
▷ Left LED lights up green: convertible top is
opened or closed. If the operation is com‐
pleted,

the LED goes out and a correspond‐
ing Check Control message is displayed.
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46 Online Edition for Part no. 01 40 2 606 521 - 03 11 490
Opening and closing

Possible up to approx. 15 mph/20 km/h.
For example, this is advantageous
▷
In car washes.
▷ In narrow streets.
▷ For folding back mirrors 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 entering an automatic car wash,
fold in the exterior mirrors by hand or with the
button; otherwise, they could be damaged, de‐
pending 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 dimmed.
Photocells are used for control in the Interior rear
view mirror, refer to page 60.
Interior rearview mirror
Reducing the blinding effect From behind when driving at night: turn the
knob. Interior rearview mirror, automatic
dimming feature

* Photocells are used for control:
▷
In the mirror glass.
▷ On the back of the mirror.
For proper operation:
▷ Keep the photocells clean.
▷ Do not cover the area between the inside
rearview mirror and the windshield.
Steering wheel
General information Do not adjust while driving
Do not adjust the steering wheel while
driving; otherwise, an unexpected movement
could result in an accident.◀ Seite 60
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Adjusting

Driving
Start/Stop button
The concept
Pressing the Start/Stop button
switches
the ignition on or off and
starts the engine.
Automatic transmission*: the en‐
gine starts if the brake is de‐
pressed when the Start/Stop button is pressed.
Manual transmission: the engine starts if the
clutch is depressed when the Start/Stop button
is pressed.
Ignition on
Automatic transmission*: press the Start/Stop
button, and do not press on the brake pedal at
the same time.
Manual-shift transmission: press the Start/Stop
button, and do not press on the clutch pedal at
the same time.
All vehicle systems are ready for operation.
Most of the indicator and warning lamps in the
instrument cluster light up for varying lengths of
time.
To save battery power when the engine is off,
switch off the ignition and any unnecessary
electronic systems/power consumers.
The ignition switches off automatically:
▷ When the vehicle is locked, if the low beams
are switched on.
▷ Shortly before the battery is discharged
completely, so that the engine can still be
started.
▷ If the engine is switched off and the ignition
is switched on, the system automatically
switches to the radio ready state when the
door is opened if the lights are switched off
or the daytime running lights are switched
on. Ignition off
Automatic transmission*: press the Start/Stop
button again, and do not press on the brake
pedal at the same time.
Manual-shift
transmission: press the Start/Stop
button again, and do not press on the clutch
pedal at the same time.
All indicator lamps 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.
Transmission position P with the ignition
off
When the ignition is switched off, position P is
engaged automatically. When in an automatic
car wash, for example, ensure that the ignition is
not switched off accidentally.◀
When the vehicle is locked using the central
locking system, the ignition switches off auto‐
matically.
Radio ready state
Activate radio ready state:
▷ When the ignition is switched off: press ON/
OFF button on the radio.
▷ When the engine is running: press START/
STOP button.
Some electronic systems/power consumers re‐
main ready for operation.
Radio ready state switches off automatically:
▷ After approx. 8 minutes.
▷ When the vehicle is locked using the central
locking system. Seite 65
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Reference Mobility Communication Entertainment Navigation Driving tips
Controls At a glance

Starting the engine
General information
Enclosed areas
Do not let the engine run in enclosed
areas; otherwise, breathing of 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 car unattended with the
engine running; otherwise, it presents a poten‐
tial source of danger.
Before leaving the car with the engine running,
set the parking brake and place the transmission
in position P or neutral to prevent the car from
moving.◀
Frequent starting in quick succession
Avoid repeated futile attempts at starting
the car and avoid starting the car frequently in
quick succession. Otherwise, the fuel is not
burned or is inadequately burned, and there is
the danger of overheating and damaging the
catalytic converter.◀
Do not wait for the engine to warm up while the
vehicle remains stationary. Start driving at mod‐
erate engine speeds.
Manual transmission
Starting the engine
1. Depress the brake pedal.
2. Press on the clutch and shift to neutral.
3. Press the Start/Stop button.
The ignition is activated automatically for a cer‐
tain time and is stopped as soon as the engine
starts.
Automatic transmission

*
Starting the engine
1. Depress the brake pedal.
2. Press the Start/Stop button. The ignition is activated automatically for a cer‐
tain time and is stopped as soon as the engine
starts.
Engine stop
General information
Take the remote control with you
Take the remote control with you when
leaving

the vehicle so that children, for example,
cannot operate the windows and injure them‐
selves.◀
Set the parking brake and further secure
the vehicle as required
Set the parking brake firmly when parking; oth‐
erwise, the vehicle could roll. On steep upward
and downward inclines, further secure the vehi‐
cle, for example, by turning the steering wheel in
the direction of the curb. ◀
Before driving into a car wash
In order for the vehicle to be able to roll into a car
wash, heed the information regarding Washing
in automatic car washes, refer to page 254.
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.
Automatic transmission*
Switching off the engine
1. Engage transmission position P with the ve‐
hicle stopped.
2. Press the Start/Stop button.
The engine is switched off.
The radio ready state is switched on.
3. Set the parking brake. Seite 66
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Driving

For your safety
Under
the following conditions, Automatic Hold
is automatically deactivated and the parking
brake is set:
▷ The engine is switched off.
▷ A door is opened and driver's safety belt is
unbuckled.
▷ The moving vehicle is brought to a standstill
using the parking brake.
The indicator lamp switches from green
to red and the letters AUTO H go out.
Lower lamp: indicator lamp in Canadian
models
Before driving away:
▷ Release the parking brake manually.
▷ Reactivate Automatic Hold.
Leaving the vehicle with the engine run‐
ning
Before leaving the vehicle with the engine run‐
ning, engage position P of the automatic trans‐
mission

and ensure that the parking brake is set.
Otherwise, the vehicle may begin to roll.◀
Activating
This function can be activated when the driver's
door is closed and the safety belt is fastened, or
while driving.
Press the button.
The LED and the letters AUTO H light
up.
The indicator lamp lights up.
Automatic Hold is activated.
Deactivating Press the button again.
The LED and the letters AUTO H go
out.
Automatic Hold is deactivated.
If the vehicle is being held by Automatic Hold,
press on the brake pedal to deactivate it. When the parking brake, refer to page
67, is set
manually, Automatic Hold is deactivated auto‐
matically.
Driving
Automatic

Hold is activated: the vehicle is auto‐
matically secured against rolling when it stops.
The indicator lamp lights up in green.
Step on the accelerator pedal to drive
off.
The brake is released automatically.
The indicator lamp goes out.
Lower lamp: indicator lamp in Canadian models
Before driving into a car wash
Deactivate Automatic Hold; otherwise, the
parking brake will be set when the vehicle is sta‐
tionary and the vehicle will no longer be able to
roll.◀
Parking
The parking brake is automatically set if the en‐
gine is switched off while the vehicle is being
held by Automatic Hold.
The indicator lamp changes from green
to red.
The parking brake is not set if the engine
is switched off while the vehicle is coast‐
ing to a halt. Automatic Hold is deacti‐
vated.
Lower lamp: indicator lamp in Canadian models
Take the remote control with you
Take the remote control with you when
leaving the vehicle so that children, for example,
cannot release the parking brake.◀
Malfunction
In the event of a failure or malfunction of the
parking brake, secure the vehicle against rolling
using a wheel chock, for example, when leaving
it. Seite 68
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Driving

Windshield washer nozzles
The washer jets are automatically heated*
whenever the ignition is switched on.
Fold-out position of the wipers
Required when changing the wiper blades or
under frosty conditions, for example.
1.
Switch off the ignition.
2. Under frosty conditions, ensure that the
wiper blades are not frozen onto the wind‐
shield.
3. Press the wiper lever up beyond the point of
resistance
and hold it for approx. 3 seconds,
until the wiper remains in a nearly vertical
position.
After the wipers are folded back down, the wiper
system must be reactivated.
Fold the wipers back down
Before switching the ignition on, fold the
wipers

back down to the windshield; otherwise,
the wipers may become damaged when they are
switched on.◀
1. Switch on the ignition.
2. Press the wiper levers down. The wipers
move

to their resting position and are ready
for operation.
Washer fluid
General information Antifreeze for washer fluid
Antifreeze is flammable. Therefore, keep
it away from sources of ignition.
Only

keep it in the closed original container and
inaccessible to children.
Follow the instructions on the container.◀ Washer fluid reservoir
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 the danger of fire and a risk
to personal safety if the fluid is spilled.◀ All washer nozzles are supplied from one reser‐
voir.
Fill with water and – if required – with a washer
antifreeze,

according to the manufacturer's rec‐
ommendations.
Mix the washer fluid before adding to maintain
the correct mixing ratio.
Capacity
Approx. 5.3 US quarts/ 5 liters
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 the 3rd or 4th gear could
lead to engine damage.◀
Reverse gear
Select only when the vehicle is stationary. When
the gearshift lever is pressed to the left, a slight
resistance needs to be overcome. Seite 71
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Reference Mobility Communication Entertainment Navigation Driving tips
Controls At a glance

Automatic transmission with
Steptronic*
Transmission positions
D Drive, automatic position
Position for normal vehicle operation. All for‐
ward gears are available.
R is Reverse
Select only when the vehicle is stationary.
N is Neutral
Use in automatic car washes, for example. The
vehicle can roll.
When the ignition is switched off, refer to
page
65, position P is engaged automatically.
P Park
Select only when the vehicle is stationary. The
drive wheels are blocked.
P is engaged automatically:
▷ After the engine is switched off, if the car is
in
radio ready state, refer to page 65, or if the
ignition is switched off, refer to page 65, and
if position R or D is engaged.
▷ If the ignition is switched off and position N
is engaged.
▷ If the safety belt is unbuckled, the driver's
door is opened, and the brake pedal is not
pressed while the vehicle is stationary and
transmission position R or D is engaged.
Kickdown
Kickdown is used to achieve maximum driving
performance. Press on the accelerator beyond
the resistance point at the full throttle position.
Engaging the transmission position
▷ Transmission position P can only be disen‐
gaged

if the engine is running and the brake
pedal is pressed.
▷ With the vehicle stationary, press on the
brake pedal before shifting out of P or N; otherwise, the shift command will not be
executed: shift lock.
Depress

the brake until you start driv‐
ing
To prevent the vehicle from creeping after
you select a driving position, maintain pres‐
sure on the brake pedal until you are ready
to start.◀ Engaging D, R and N
Briefly push the selector lever in the desired di‐
rection, beyond a resistance point if necessary.
After

releasing the selector lever, it returns to its
center position. Press the Unlock button to:
▷
Engage R.
▷ Shift out of P.
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Driving

Engaging P
Press button P.
Sport program and manual mode M/S
Activating the sport program
Push the selector lever to the left out of trans‐
mission position D.
DS is displayed in the instrument cluster.
This position is recommended for a perform‐
ance-oriented driving style.
Activating the M/S manual mode
Push the selector lever to the left out of trans‐
mission position D.
Push the selector lever forward or backward.
Manual mode becomes active and the gear is
changed.
The
engaged gear is displayed in the instrument
cluster, e.g., M1.
▷ To shift down: press the selector lever for‐
ward.
▷ To shift up: press the selector lever back‐
ward.
The transmission only shifts up or down if the
rpm and vehicle speed are appropriate. If the engine speed is too high, the transmission does
not shift down.
The selected gear is briefly displayed in the in‐
strument cluster, followed by the current gear.
Ending the sport program/manual
mode
Push the selector lever to the right.
D is displayed in the instrument cluster.
Shift paddles for Sport automatic
transmission*
The shift paddles on the steering wheel allow
you to shift gears quickly while keeping both
hands on the steering wheel.
If the shift paddles on the steering wheel are
used

to shift gears in automatic mode, the trans‐
mission temporarily switches to manual mode.
If the shift paddles are not used and the vehicle
is not accelerated for a certain time, the system
switches back into automatic mode if the selec‐
tor lever is in D.
▷ Shift up: pull right shift paddle.
▷ Shift down: pull left shift paddle.
The vehicle only shifts up or down at appropriate
engine and road speeds, e.g., it does not shift
down if the engine speed is too high.
The selected gear is briefly displayed in the in‐
strument cluster, followed by the current gear.
Displays in the instrument cluster The transmission position is dis‐
played, for instance, P. Seite 73
73Online Edition for Part no. 01 40 2 606 521 - 03 11 490

Reference Mobility Communication Entertainment Navigation Driving tips
Controls At a glance