2004 BMW 645CI COUPE navigation system

Controls
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Computer
Mode selection
As of ignition key position 1, you can use
the BC button in the turn signal lever to call
up computer information in the instrument
cluster.
A new function appears each time you
briefly press the BC button.
Displays in instrument cluster
The display sequence:
>Cruising range
>Average speed
>Average fuel consumption.
Cruising range
Displays the estimated cruising range
available with the remaining fuel. The sys-
tem calculates the cruising range based on
operating conditions over the last 20 miles/
30 km and the amount of fuel remaining in
the tank.
Always refuel as soon as possible
once your cruising range falls to
below 30 miles/50 km, as otherwise engine
functions are not ensured and damage can
occur.<
Average fuel consumption
The average fuel consumption is calculated
for the time during which the engine is run-
ning.
You can use the Control Display to view
your fuel consumption rate over two differ-
ent distances, refer to Computer or Trip
computer.
To reset the average fuel consumption:
press the BC button in the turn signal lever
for approx. 2 seconds.
Average speed
Periods with the vehicle parked and the
engine off are not included in the calcula-
tions of average speed.
To reset the average speed: press the
BC button in the turn signal lever for
approx. 2 seconds.
Displays on Control Display
You can also call up the computer via the
Control Center, for principle details, refer to
page 16:
1.Press button.
The start menu is opened
2.Move the controller to the right to open
"Navigation".
On vehicles without navigation system:
open "Car Data"
3.Select "Car Data" and press the con-
troller.
You can choose between two display
options:
>Computer

Everything under control
70 >Trip computer,
suitable e.g. for a vacation trip.
Computer
Select "Onboard info" and press the con-
troller.
>Estimated time of arrival at destination:
>Entering a distance manually in the
computer, see below
>Entering a destination in the naviga-
tion system, refer to page 110
>Cruising range
>Distance to destination:
>Entering a distance manually in the
computer, see below
>Entering a destination in the naviga-
tion system, refer to page 110
>Average speed
>Average fuel consumption.
Trip computer
Select "Trip computer" and press the con-
troller.
>Departure time
>Driving time
>Elapsed distance
>Average speed>Average fuel consumption.
To switch the trip computer on/off and
reset all the values:
1.Select "Set" and press the controller
2.Select the desired menu item
3.Press the controller.
Entering a distance manually
Control Center, for principle details, refer to
page 16:
1.Open "Navigation".
On vehicles without navigation system:
open "Car Data"
2.Select "Car Data" and press the con-
troller
3.Select "Onboard info" and press the
controller
4.Select "Dist. to destination" and press
the controller
5.Turn the controller to select the dis-
tance to your destination. When doing
so, maintain a slight resistance if neces-
sary if a greater difference is to be
entered
6.Press the controller to apply the setting.
With the destination guidance switched on,
the distance is given automatically.
Display options
You can display the computer or the trip
computer in the assistance window.
Control Center, for principle details, refer to
page 16:
1.Move the controller to the right to
change to the assistance window and
press the controller

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2.Select a menu item:
>"Onboard info"
>"Trip computer"
3.Press the controller.
Speed limit
You can enter a speed and a Check Control
message indicates when you have reached
this speed. This enables you, for example,
to receive warnings if you exceed a speed
limit in an urban area.
You are only warned of reaching this speed
a second time if you again drive at least
3 mph/5 km/h slower.
Entering, changing
Control Center, for principle details, refer to
page 16:
1.Open "Navigation".
On vehicles without navigation system:
open "Car Data"
2.Select "Car Data" and press the con-
troller
3.Select "Limit" and press the controller
4.Select the speed and press the control-
ler5.Turn the controller to set the limit. When
doing so, maintain a slight resistance if
necessary if a greater difference is to be
entered
6.Press the controller to apply the setting.
Applying your current speed as limit
Control Center, for principle details, refer to
page 16:
1.Open "Navigation".
On vehicles without navigation system:
open "Car Data"
2.Select "Car Data" and press the con-
troller
3.Select "Limit" and press the controller
4.Select "Select current speed" and
press the controller. The system applies
your current speed as the limit.
Activating limit
Control Center, for principle details, refer to
page 16:
1.Open "Navigation".
On vehicles without navigation system:
open "Car Data"
2.Select "Car Data" and press the con-
troller
3.Select "Limit" and press the controller
4.Select "On" and press the controller.
Limit is activated.

Everything under control
72
Stopwatch
Control Center, for principle details, refer to
page 16:
1.Open "Navigation".
On vehicles without navigation system:
open "Car Data"
2.Select "Car Data" and press the con-
troller
3.Select "Stopwatch" and press the con-
troller.
Starting and stopping
>Select "Start" and press the controller.
The stopwatch starts at the displayed
time
>Select "Reset" and press the controller.
The stopwatch is reset and it restarts if
it was running beforehand
>Select "Stop" and press the controller.
This stops the timer.
Taking an intermediate time reading
Select "Interim time" and press the control-
ler. This intermediate time appears below
the ongoing primary stopwatch count.
All of the remaining functions remain
available at all times while the stop-
watch is running. The stopwatch continues
operation in the background.<
Settings on Control Display
Brightness of Control Display
The brightness is automatically adapted to
the ambient lighting conditions. However,
you can change the base setting.Control Center, for principle details, refer to
page 16:
1.Press button.
The start menu is opened
2.Press the controller to open the menu
3.Select "Display settings" and press the
controller
4.Select "Brightness" and press the con-
troller
5.If necessary, move the controller to the
right to select "Display Offset"
6.Turn the controller until the desired set-
ting is selected.
Depending on which key you have used to
open the vehicle, the last adjustment is
applied.
Measurement units
You can change the measurement units for
consumption, distances, temperature and
pressure.
1.Open the menu
2.Select "Display settings" and press the
controller
3.Select "Units" and press the controller

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Technology for comfort, convenience
and safety
PDC Park Distance Control*
The concept
The PDC assists you when you are parking.
Signal tones and a visual display
* indicate
the current distance to an object behind or
in front of your vehicle. To measure the dis-
tance, there are four ultrasonic sensors in
each bumper. The sensors at the front and
at the two rear corners have a range of
approx. 20 in/50 cm; the rear middle sen-
sors have approx. 5 ft/1.50 m.
PDC is a parking aid that can indicate
objects when they are approached
slowly, as is usually the case when parking.
Avoid approaching an object at high speed,
as otherwise the physical circumstances
would mean that the system warning was
too late.<
Automatic mode
In ignition key position 2, the system auto-
matically assumes operational status after
a few seconds each time you engage
reverse gear or selector-lever position R.
Wait this short period before driving.<
The system is automatically deacti-
vated once the vehicle travels approx.
165 ft/50 m or exceeds a speed of roughly
20 mph/30 km/h; the indicator lamp goes
out. You can reactivate the system manu-
ally as needed.
Manual mode
With the ignition key in position 2, press the
button; the indicator lamp lights up.
Deactivating manual mode
Press the button again; the indicator lamp
goes out.
Signal tones
The signal indicating the distance to the
nearest obstacle is directional. Thus, an
object detected to the left rear of the vehi-
cle will be indicated by a signal tone from
the left rear speaker, etc. As the distance
between vehicle and object decreases, the
intervals between the tones become
shorter. The signal tone becomes continu-
ous once the distance to the nearest object
falls to below roughly 1 ft/30 cm.
The warning signal is canceled after
approx. 3 seconds if you are moving paral-
lel to a wall.
Malfunctions
The indicator lamp within the button
flashes and a message appears on the
Control Display. PDC has failed. Switch off
PDC. Have the system checked.
As a preventive measure, keep the sensors
clean and free of ice or snow in order to
ensure that they will continue to operate
effectively.
PDC with visual warning*
You also enjoy the option of having the sys-
tem show distances to objects on the Con-
trol Display. The Control Display will also

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DSC Dynamic Stability Control
DSC optimizes vehicle stability during
acceleration and when starting from a full
stop, as well as optimizing traction. The
system recognizes any tendency for the
vehicle to assume an unstable attitude
such as oversteer or understeer; it then
counteracts this tendency with a combina-
tion of graduated reductions in engine
torque and selective braking intervention at
individual wheels. DSC provides optimal
stability within the limits defined by the
laws of physics.
The DSC is operational every time you start
the engine. DSC includes the functionality
of the DTC Dynamic Traction Control and
DBC Dynamic Brake Control, see below.
Indicator lamp
The indicator lamp goes out soon
after you start the engine.
The indicator lamp flashes:
DSC controls the drive and braking forces.
The indicator lamp stays lit:
DSC has been switched off via the button.
DTC Dynamic Traction Control
In special driving states, e.g. in deep snow,
DTC ensures maximum forward momen-
tum. The gain in forward momentum also
involves a reduction in driving stability.
DTC is active up to approx. 45 mph/
70 km/h, whereas DSC is only effective to
a limited degree.
You may find it useful to briefly activate
DTC under the following special circum-
stances:
>When rocking the vehicle and starting
off in deep snow or on loose road sur-
faces
>When ascending snow-covered hills,
and when driving in deep or on hard-
packed snow
>When driving with snow chains.
Activating DTC
>Press the DSC button briefly; the DTC
indicator lamp in the instrument cluster
lights up continuously.
Deactivating DTC again
Press the DSC button briefly again; the
DTC indicator lamp in the instrument clus-
ter goes out.
Switching off DSC
Press the DSC button until the DSC indica-
tor light in the instrument cluster lights up
continuously, however not longer than
approx. 10 seconds. DSC and DTC are
deactivated. In addition, the stability pro-
moting intervention of the active steering is
deactivated, refer to page 80.
A message appears on the Control Display.
Please note any supplementary information
that appears there.
To maintain optimal stability, drive
with the system on whenever possi-
ble.<
Reactivating DSC
Press the DSC button briefly; the indicator
lamp in the instrument cluster goes out.

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have dropped below the minimum, possi-
bly owing to a leak in the hydraulic system.
Do not continue driving. Contact your BMW
center.<
Flat Tire Monitor
The concept
The Flat Tire Monitor keeps track of the
inflation pressures in the four tires as you
drive. The system provides an alert when-
ever the inflation pressure drops signifi-
cantly in relation to the pressure in another
tire.
The check of the tire inflation pressure is
based on monitoring the relative speeds
of the wheels. A flat tire is detected and
reported on the basis of a deviation in cer-
tain speed ratios.
Functional requirement
To ensure reliable operation, the system
should have been initialized with the cor-
rect tire inflation pressure.
System limits
The Flat Tire Monitor cannot indicate
sudden severe tire damage caused
by outside factors and does not detect a
natural, even pressure drop in all four
tires.<
In the following situations, the system
could be delayed or malfunction:
>When you are driving on snow-covered
or slippery road surfaces
>In the case of performance-oriented
driving: slip on the drive wheels, high
lateral acceleration
>False alarms and undetected loss of
pressure may occur when you are driv-
ing with snow chains fitted
>If the Flat Tire Monitor was not initial-
ized after the last inflation pressure cor-
rection, false alarms indicating a flat tire
that is not present are possible or pres-
sure loss might not be detected.
Initializing system
Perform the initialization immediately
after correcting the inflation pressure,
after changing a tire or changing a wheel or
all wheels. A drive is necessary for this pur-
pose.<
Control Center, for principle details, refer to
page 16:
1.Start the engine, but do not drive off
2.Open the menu
3.Select "Vehicle settings" and press the
controller
4.Select "FTM" and press the controller
5.Select "Set tire pressure" and press the
controller
6.Select "Yes" and press the controller
7.Drive off.
The message "Initializing" is displayed.
It takes a few minutes before the Flat Tire
Monitor can detect and report a flat tire and
"Status: Active" is displayed.
If a flat tire is detected during initialization,
a message appears on the Control Display.
When driving with snow chains, do
not initialize the system.<

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Airbags
The following airbags are located under the
marked covers:
1Front airbags for driver and front pas-
senger
2Coupe: head airbags
3Front side airbags
4Knee airbag for front passenger
5Knee airbag for driver
Protective effect
The front airbags help protect the driver
and front passenger by responding to fron-
tal impacts in which safety belts alone can-
not provide adequate restraint. When
needed, the head and side airbags help
provide protection in the event of a side
impact. The side airbags help restrain the
side of the occupant's upper torso, and the
head airbags help support the head while
also helping provide protection against any
objects penetrating into the passenger
compartment.
The airbags are deliberately not triggered
in every impact situation, e.g. less severe
accidents, certain rollover conditions, or
rear-end collisions.
For information on the correct sitting posi-
tion, refer to page 42.
Even if you adhere to all the instructions
injuries resulting from contact with airbags
cannot be fully excluded, depending on the
circumstances. The ignition and inflation
noise may provoke a mild hearing loss in
extremely sensitive individuals. This effect
is usually only temporary.Do not apply adhesive materials to
the cover panels of the airbags, cover
them or modify them in any other way.
Do not attempt to remove the airbag reten-
tion system from the vehicle. Never modify
or tamper with either the wiring or the indi-
vidual components in the airbag system.
This category includes the upholstery in the
center of the steering wheel, on the instru-
ment panel, the side trim panels on the
doors and on the Coupe the roof pillars
along with the sides of the headliner.
Do not attempt to remove or dismantle the
steering wheel.
Do not touch the individual components
directly after the system has been trig-
gered, because there is a danger of burns.
If you note any indication of system mal-
function, if you desire to have an airbag
deactivated, or if the airbag retention sys-
tem is triggered in response to an accident,
you should always entrust all inspection,
repair and dismantling operations to your
BMW center. Unprofessional attempts to
service the system could lead to failure in
an emergency or undesired airbag activa-
tion, either of which could result in personal
injury.<
Airbag warning information is also provided
on the sun visors.