BMW 745Li 2004 E66 Repair Manual

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Safety switch for power windows and
rear seats
If the vehicle is equipped with electric
power seats in the rear, return these to their
standard adjustment setting before using a
child-restraint system, refer to page 46.
Always press the safety switch for the
electric power windows, refer to page 42,
when children are in the rear of the vehicle.
This switch also disables the power rear
seat adjustment.
Incorrect or unsupervised adjustment
of the electric power seats in the rear
could lead to injuries or damage to the
child-restraint system.<

Driving
60
Driving
Ignition lock
Insert the remote control all the way into
the ignition lock. This also activates the
radio mode.
When the remote control unit is in the
ignition lock you can start the engine
without first switching on the ignition.<
Comfort Access*
Carry the remote control on your person if
you want to use Comfort Access.
With Comfort Access, you do not need to
insert the remote control in the ignition
lock. You can switch the ignition on and off,
see below, or start the engine, page 61,
when a remote control is detected in the
vehicle interior.
When you switch off the engine, the
transmission moves automatically to
position P: interlock.<
Switching the ignition on and off
Continue to briefly press the start/stop but-
ton to switch the radio mode on and off or
switch the ignition on and off.
Do not press the brake pedal until you
are ready to start the engine. If you
briefly press the start/stop button while the
brake pedal is pressed the engine will start
immediately.<
Radio mode
Several systems, such as the Control Cen-
ter, independent ventilation, etc., are avail-
able for use. The time and outside temper-
ature appear in the Info Display.
The radio mode is automatically
deactivated:
>After approx. 16 minutes, when a door
is closed and the system does not reg-
ister the presence of any individuals in
the vehicle
>Immediately if the remote control is
removed from the ignition lock
>With Comfort Access, by pressing the
door handle.<
Ignition switched on
All vehicle systems are ready for operation.
Ignition switched off
The indicator lamps in the Info Display go
out. Only the automatic transmission's
range display remains visible for a brief
period.
Removing the remote control from
the ignition lock
Press the remote control in briefly; it is
ejected and now protrudes slightly from the
lock. This procedure will also switch off the
ignition if it is on.
Switch off the engine before removing
the remote control unit from the igni-
tion lock.

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The transmission automatically shifts to
position P: interlock.<
If the remote control is still in the ignition
lock when the driver's door is opened, a
gong will sound and a message will appear
in the Info Display.
Starting the engine
Do not run the engine in closed
rooms, as otherwise the inhaling of
toxic exhaust gases can cause uncon-
sciousness and death. The exhaust gases
contain carbon monoxide, an odorless and
colorless, but highly toxic gas.
Never leave an unattended vehicle with the
engine running, as such a vehicle repre-
sents a potential safety hazard.<
1.Insert the remote control all the way into
the ignition lock. With Comfort Access,
this is not required
2.Press the brake pedal
3.Briefly press the start/stop button.
Your BMW is equipped with the con-
venience starting feature. After press-
ing the brake pedal, all you need to do is
briefly press the start/stop button.
The system responds by automatically
engaging the starter and allowing it to run
until the engine starts, after which it then
disengages automatically.
The automatic starting mode will not oper-
ate or will be canceled if the battery voltage
is low. The engine can be started by jump-
starting, refer to page 207.<
Do not allow the engine to warm up by
leaving it running while the vehicle remains stationary. Instead, drive off immediately at
a moderate engine speed.
If you have accidentally switched off
the engine while driving, it can be
restarted from a speed of approx. 3 mph/
5 km/h by pressing the button. It is not nec-
essary to press the brake pedal.<
Under the following conditions you should
press the accelerator pedal halfway down
when starting:
>If the engine fails to start on the first
attempt, for instance, if it is very hot or
cold
>During a cold start at high altitudes,
from approx. 3,281 ft/1,000 m, at very
low temperatures, from approx. + 57/
Ð156.
Refrain from starting the vehicle
repeatedly at brief intervals, and
avoid an excessive number of starting
attempts if the vehicle fails to start;
repeated activation of the starter over an
extended period would allow unburned or
only partially combusted fuel to enter the
catalytic converter, where it can cause
overheating and damage to the unit.<
Switching off the engine
With the vehicle stationary, briefly press the
start/stop button. This also activates the
radio mode.
The transmission automatically shifts to
position P: interlock.
Transmission position N remains
engaged if you keep to the following
order:
1.With Comfort Access: insert the remote
control into the ignition lock
2.With the engine running, engage trans-
mission position N
3.Switch off the engine
4.Leave the remote control in the ignition
lock.
This function is useful in automatic car
washes, etc.
Position P is engaged automatically after

Driving
62 approx. 30 minutes or when you remove
the remote control from the ignition lock.
Remember to observe the Check Control
for status messages.<
Should exceptional circumstances
render it necessary for you to switch
off the engine while the vehicle is moving,
press the start/stop button for approx.
1 second.
If you maintain pressure on the start/stop
button for longer than two seconds while
switching off the ignition, the remote con-
trol will be ejected.<
Before leaving the vehicle, remove
the remote control from the ignition
lock; with Comfort Access, always take the
remote control with you.<
Parking brake
The concept
Your BMW is equipped with an electrome-
chanical parking brake.
The parking brake is primarily intended to
prevent the vehicle from rolling while
parked.
You can operate or use the parking brake in
two different ways:
>Manually, by briefly pressing the button
>Automatically, through activation of the
Automatic Hold mode, refer to page 63.
An electrohydraulic mechanism then
engages the parking brake to prevent the
rear wheels from turning whenever you
switch off the engine.
When the engine is running, parking brake
engagement is controlled by the brake sys-
tem's hydraulic circuits, which act on the
disc brakes at the front and rear wheels.
Brake pedal feel
Because this function is activated using
the brake system's hydraulic circuits, the
response of the brake pedal may change
slightly. Engagement may also be accom-
panied by activation noise Ð this is normal.
Manual engagement
Briefly press the button, the
word PARK appears briefly
in the Info Display. With the
parking brake set, the indicator
lamp lights up red in the
Info Display, refer to page 12.
With the ignition off, the indicator
lamp goes out after a brief
period.<
Manual release
With the ignition on, briefly
press the button: the indicator
lamp in the Info Display goes
out.
Provided that the remote control unit
is inserted in the ignition lock, you can
also release the parking brake after the
engine has been switched off. This function
is intended for use in automatic car
washes, etc.<
When leaving the vehicle, always
release the remote control from the
detent in the ignition lock; this precaution
prevents children from disengaging the
parking brake, etc.
The parking brake can still be engaged at
any time when the remote control unit is
released from the detent. It is only possible
to disengage the parking brake with the
ignition on.<
If exceptional circumstances should
make it necessary to engage the
parking brake while the vehicle is in motion,
maintain pressure on the button.
The indicator lamp appears in red in the
Info Display. A gong sounds at the same

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time.
The brake lamps come on.
The vehicle continues to brake automati-
cally for as long as you maintain pressure
on the button.<
When you brake the vehicle to a vir-
tual stop, i.e., down to a speed of
approx. 2 mph/3 km/h or below, the park-
ing brake remains engaged.
The indicator lamp in the Info Display
lights up red. Briefly press the button to
disengage the parking brake manually.<
Automatic Hold
You can activate this feature after starting
the engine; it then remains operational until
the next time the engine is switched off.
This feature provides supplementary sup-
port during vehicle operation by automati-
cally engaging and releasing the parking
brake during stops at traffic lights, in stop-
and-go traffic, etc. As the vehicle then no
longer tends to creep when the transmis-
sion is engaged, it is no longer necessary
to hold the vehicle by pressing the brake
pedal.
It prevents the vehicle from rolling back-
ward during uphill starts.
The parking brake engages automatically
when you stop the vehicle and switch off
the engine.
You can activate or cancel the Automatic
Hold feature by selecting the "Settings"
menu in the Control Center. A description
of the Control Center is provided on
page 17.
Automatic Hold activation/
deactivation
1.Select "Settings"
2.Select and confirm
3.Select "AUTO P". Press the controller
to activate/deactivate the desired func-
tion
>Automatic Hold is activated.
The green AUTO P status message in
the Info Display shows you that the sys-
tem is ready for operation
>Automatic Hold is deactivated.
The green AUTO P status message dis-
appears from the Info Display.
You can assign the Automatic Hold
function to the programmable button
in the steering wheel, refer to page 52.
This feature then provides you with quick
access to the Automatic Hold function,
allowing you to control it without undue
distraction from road and traffic condi-
tions.<
You can also deactivate Auto-
matic Hold by pressing the but-
ton while the vehicle is station-
ary. The vehicle remains
stationary, the indicator lamp
changes from green to red. Press the but-
ton again to release the parking brake.
Driving with Automatic Hold
The parking brake engages automatically
when the vehicle comes to a stop. The indi-
cator lamp in the Info Display lights
up green.
To start off again, simply press the acceler-
ator pedal. The parking brake is released
automatically; the indicator lamp
goes out.
Do not drive through an automatic car
wash with the Automatic Hold on and
the engine running. The system would
engage the parking brake while the vehicle
is stationary.<
Parking with Automatic Hold
The parking brake engages automatically
when you stop the vehicle and switch off
the engine. The indicator lamp
changes from green to red.

Driving
64 Provided that the remote control is
inserted in the ignition lock, you can
also release the parking brake manually
after the engine has been switched off,
refer to page 62. This function is useful in
automatic car washes, etc.
Automatic Hold is deactivated.<
When leaving the vehicle, always
release the remote control from the
detent in the ignition lock; this precaution
prevents children from disengaging the
parking brake, etc.<
For your safety
Automatic Hold is automatically deacti-
vated when
>the engine is switched off
>the system detects that the driver's seat
is not occupied while the engine is run-
ning
>the hood is opened while the engine is
running
>the luggage compartment lid is opened
with the transmission in reverse while
the engine is running, and
>when the parking brake is used to bring
the vehicle to a stop.
The indicator lamp changes from
green to red, and the AUTO P letters in the
Info Display disappear.
Before starting off again, briefly press the
button to disengage the parking brake
manually, refer to page 62, or reactivate
Automatic Hold, refer to page 63.
Before leaving the vehicle with the
engine running, always move the
automatic transmission's selector lever to
position P and ensure that the parking
brake is engaged. The vehicle could start
to roll if you fail to observe these precau-
tions.
Never leave an unattended vehicle with the
engine running, as such a vehicle repre-
sents a potential safety hazard.<
Automatic Hold is automatically
deactivated whenever the system
detects any tendency for the wheels to spin
in response to slippery road surfaces. Note the status reports in the Check Control.
You can find additional information on the
Check Control on page 82.<
Malfunctions
If a malfunction occurs, the indicator
lamp lights up yellow in the Info Dis-
play and a status report will appear in the
Check Control. Please note any supple-
mentary information that appears on the
Control Display.
Releasing the parking brake
manually
You can respond to any interruptions in the
supply of electrical power, for instance, if
the battery is discharged or disconnected,
by releasing the parking brake manually.
Before proceeding to release the
parking brake manually, and each
time you park the vehicle without engaging
the parking brake, always ensure that the
automatic transmission's selector lever is
in position P, refer to page 66. Note the
range indicated in the Info Display.
If the wheel must be changed on a surface
with a more severe slope, take additional
precautions to secure the vehicle from roll-
ing e.g. with a chock, refer to page 203.
Otherwise there is a danger that the vehicle
could start to roll if parked on a steep
slope.<
Should it also be necessary to release the
automatic transmission's lockout manually,
for instance, if the battery is discharged,
always adhere to the following sequence:
1.If necessary, start by manually releasing
the parking brake
2.Then release the automatic transmis-
sion's lockout manually, refer to
page 68.
Jump-starting and towing, refer to
pages 207 and 208.

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What you will need
1Screwdriver handle
2Emergency-release tool
30.4 in/10 mm open-end wrench
You will find the required tools in the
onboard tool kit mounted on the inside of
the luggage compartment lid, refer to
page 200.
Insert the emergency-release tool in the
screwdriver handle as shown in the illustra-
tion.
Releasing
1.Remove the floor mat and the cover on
the spare tire
2.Guide the emergency-release tool with
the screwdriver handle into the open-
ing, arrow 1
3.Apply the open-end wrench to the
hexagon on the emergency-release
tool.
Press against the resistance from the
spring to guide the emergency-release
tool all the way in, then hold it in place.
Turn the emergency-release tool in the
direction indicated by arrow 2, continu-
ing until you hear the mechanism snap
into place and feel resistance; maintain pressure on the tool after the mecha-
nism engages
4.Use the open-end wrench to turn the
emergency-release tool against the
drive unit's mechanical resistance, con-
tinuing to rotate it in arrow direction 2
until you feel a substantial increase in
turning effort
To prevent possible damage to the
rear brakes, always make sure that
the parking brake is completely released
before driving the vehicle.<
5.Return the tools to their places
6.Return the spare tire cover and the floor
mat to their original locations.
Have any defects repaired at the
nearest BMW center. The technicians
can also return the parking brake to normal
operational status after it has been
released manually in response to malfunc-
tion.<
Following manual release, the actual
status of the parking brake may vary
from that displayed by the indicator lamp.<
Operation after interruptions in
power supply
The parking brake may only be used
again, if it was released manually after
an interruption in power supply, i.e. as a
result of a discharged or disconnected bat-
tery. If this is not done, the parking brake
may fail to operate correctly. Even with the
parking brake engaged, there would be a
danger of the vehicle rolling on steep
hills.<
Once the electrical power supply has been
restored you can again use the parking
brake:
With the ignition on and the
vehicle stationary, briefly press
the button three times at inter-
vals of approx. 5 seconds. This
initializes the system as follows:
>Initializing the disengaged setting
>Engaging: the system registers the new
status and the brake setting is initial-

Driving
66 ized. The indicator lamp in the
Info Display lights up red
>Releasing: the parking brake is ready
for operation. The indicator
lamp in the Info Display goes out.
Automatic transmission
with Steptronic
While you can drive as with any conven-
tional automatic transmission, you also
enjoy the option of shifting manually at the
steering wheel, refer to page 67.
Transmission range selection
P R N D
Program display
S or M1 Ð M6
Buttons on the steering wheel
Press briefly to proceed through a selec-
tion sequence consisting of the automatic
program, the sport program, and the man-
ual mode.Steptronic:
Upshifting and downshifting, refer to Sport
program and manual operation.
Selecting transmission range
The selector lever is at the center
position. To select transmission
ranges D, R or N, always start by pulling
toward the steering wheel, arrow 1, then
press up or down. Note the information
provided in the Info Display.<
>Range D or R:
Press the selector lever up or down,
continuing to apply pressure to move it
past the resistance point
>Neutral N:
Press the selector lever as far as the
resistance point
>Park P:
Press button P, arrow 2.
The selector lever immediately returns to
the center position when released.
With the vehicle stationary, press the
brake pedal before shifting out of P
or N; the shift command will not be exe-
cuted unless the brake is applied: shiftlock.
To prevent the vehicle from creeping after
you select a range, maintain pressure on

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the brake pedal until you are ready to start.
You can activate the Automatic Hold fea-
ture to suppress the vehicle's tendency to
creep, refer to page 63.<
Shift commands are transmitted electroni-
cally. To help avoid malfunctions, each
command undergoes a plausibility check
prior to execution.
Remember to observe the Check Control
for status messages.
You can find additional information on the
Check Control on page 82.
To prevent the vehicle from rolling,
always select position P and engage
the parking brake before leaving the vehi-
cle with the engine running. Note the infor-
mation provided in the Info Display.
Never leave an unattended vehicle with the
engine running, as such a vehicle repre-
sents a potential safety hazard.<
P Park
Select P only when the vehicle is station-
ary. The transmission lockout prevents the
rear wheels from turning. The lockout dis-
engages when you press the selector lever
toward D, N or R while the engine is run-
ning.
P is engaged automatically as soon as
you switch off the engine unless N is
engaged and the remote control is inserted
in the ignition lock, refer to page 61.<
R Reverse
Select R only when the vehicle is station-
ary.
N Neutral
Select N only if your journey is interrupted
for a long period.
>From D press the selector lever up
>From R press the selector lever down.
Note the arrows indicating direction in the
range display.
N remains engaged whenever the
remote control unit remains in the
ignition lock after the ignition is switched
off. This function is useful in automatic car washes, etc.
After approx. 30 minutes the system auto-
matically engages P. Remember to
observe the Check Control for status mes-
sages.
Switching off the engine, refer to
page 61.<
D Drive, automatic driving position
This is the range recommended for normal
vehicle operation. All forward gears are
available.
Under normal operating conditions, fuel
consumption is lowest when driving in
position D.
Kickdown
The kickdown mode provides maximum
acceleration.
Press the accelerator pedal beyond the
full-throttle resistance point.
Sport program and manual operation
When you press the S/M/D button on the
steering wheel once, the system responds
by activating the transmission's Sport pro-
gram, as indicated by the letter S in the
program display of the Info Display, refer to

Driving
68 page 66. We recommend this program for
performance-oriented driving.
When you press the S/M/D button a sec-
ond time the transmission switches to its
manual mode; press again to return to the
automatic program.
You can also return to the standard auto-
matic program by reselecting D.
In the manual mode the transmission
upshifts when you briefly press the buttons
on the rear of the steering wheel. You
downshift by briefly pressing the buttons
on the front of the steering wheel. The Info
Display shows the manual ranges M1
through M6.
Upshifts and downshifts are executed only
when they will result in a plausible combi-
nation of engine and vehicle speed; thus,
for example, a downshift that would cause
the engine to overrev will not be executed
by the system. The selected gear appears
briefly in the Info Display, followed by the
current gear.
To obtain maximum acceleration, for
passing maneuvers, etc., during
operation in the manual mode, use the
kickdown or downshift manually.<
Malfunctions
A status report will appear in the Check
Control to alert you to any malfunctions in
the transmission-control system. Please
note any supplementary information that
appears on the Control Display. The direc-
tional arrows also start to flash in the Info
Display.
While it will remain still possible to move
the selector lever to any desired position,
the transmission will revert to operation in
its default mode with only a limited number
of forward gears.
Some types of malfunction will make it
impossible to engage all gears.
The engine may respond with reduced out-
put when accelerating from a standing
start. If this happens, avoid extreme engine loads
and consult the nearest BMW center.
If no status messages appear in the
Info Display you should accelerate
carefully to confirm that you are driving in
the desired direction.
Never work in the engine compartment
with any of the forward or reverse gears
engaged, as the vehicle could start to
move. Engaging the parking brake, refer to
page 62.<
Manual release of transmission
lockout
You can respond to any interruptions in the
supply of electrical power, for instance, if
the battery is discharged or disconnected,
by releasing the transmission lockout man-
ually.
To prevent the drive wheels from
locking up and sliding, the transmis-
sion lockout must always be released man-
ually before the vehicle is towed.<
Press the brake pedal before releas-
ing the transmission lockout manu-
ally. If the brakes are not applied, the vehi-
cle could start to roll if parked on a steep
slope.
The transmission lockout should only be
released for towing. Remember to engage
the transmission lockout when you repark
the vehicle after moving it.
Should it also be necessary to release
the parking brake manually, owing to a dis-
charged battery, etc., always adhere to the
following sequence:
1.Start by manually releasing the parking
brake, refer to page 64
2.Then proceed to manually release the
transmission lockout.<
Jump-starting and towing, refer to
pages 207 and 208.