ECU BMW 760LI SEDAN 2003 User Guide

Driving
68
P Ñ Park
Press the button.
Select only when the vehicle is stationary.
The transmission lockout prevents the rear
wheels from turning. The lockout disen-
gages when you press the selector lever
toward D, N or R while the engine is run-
ning.
P is automatically engaged when you
remove the remote control unit from
the ignition lock after parking the vehicle.<
R Ñ Reverse
Press the selector lever upward, con-
tinuing to apply pressure to move it past
the detent. Select R only when the vehicle
is stationary.
N Ð Neutral
Press the selector lever as far as the
detent, but no further. 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 is selected automatically whenever
the remote control unit remains
locked 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.<
D Drive Ð Automatic
Press the selector lever down, con-
tinuing beyond the detent. This is the range
recommended for normal vehicle opera-
tion. 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 full-
throttle detent point.
L mode
We recommend the L mode for times when
you wish to suppress certain shifts, for
instance, when ascending or descending
steep grades.
When the L mode is activated the transmis-
sion remains in your current gear, which
also appears in the Info Display, refer to
page 67. The transmission continues to
shift through the available ratios, but does
not proceed beyond the gear in the display.
Activating the L mode
Press the L/D button on the steering wheel.
The transmission downshifts when you
press the buttons on the rim of the steering
wheel briefly. The newly selected limit
appears in the Info Display.
The transmission only executes downshifts
that will result in a plausible combination of
vehicle and engine speeds. The transmis-
sion will no longer execute upshifts beyond
the selected range.

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69
Deactivate the L mode to obtain max-
imum acceleration for overtaking
maneuvers, etc.<
Deactivating the L mode
>Press the L/D button or
>press the selector lever into position D
once again.
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 the next column.
Transmission ranges
P R N D
Program display
S or M1 Ð M6
Buttons on steering wheel
S/M/D + Ð
Selecting a transmission range
The procedure for selecting transmission
ranges is the same as that employed in the
L mode, refer to page 67.
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 Info
Display, refer to previous column. We rec-
ommend this program for performance-ori-
ented driving.
When you press the S/M/D button a
second 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 tap 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.

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85
Check Control
Info Display screen contents
Messages and status reports appear in text
form accompanied by an indicator lamp
symbol. The alert is accompanied by a
gong.
Status reports warning of system malfunc-
tions are assigned one of two priority rat-
ings:
Priority 1:
These status messages and malfunction
reports are signaled by a gong. Simulta-
neous defects will be displayed consecu-
tively. These messages cannot be deleted,
and they remain in the display until the
problem is corrected. Supplementary infor-
mation is also shown in the Control Display,
refer to Automatic display in the Control
Display.
Priority 2:
These status messages and malfunction
reports appear in the Info Display for
approx. 20 seconds.
Briefly press the CHECK button on the turn
signal indicator lever to cancel the mes-sage in the display, if allowed by priority
rating.
Selecting stored status reports for viewing
in the Control Display, refer to next page.
Check Control symbol and messages
in the Control Display
Depending on the status of the monitored
systems, the Check Control symbol
appears in different colors.
Green
No malfunctions are present in the moni-
tored systems.
Yellow or red
A defect or malfunction has been detected
in the monitored system. Depending upon
how serious the problem is, a supplemen-
tary message may also appear in the Con-
trol Display.
Selecting stored status reports for viewing
in the Control Display, refer to next page.
The symbol in the status line also indi-
cates the status of the Service Interval
Display, refer to page 24.<
Automatic display in the Control
Display
These supplementary messages are
intended to assist you in assessing the
severity of malfunctions; they provide you
with the information you need to decide on
the best way to respond.
Select and confirm to switch off the
display.

Everything under control
86
Selecting stored status reports for
viewing in the Control Display
1.Select "Car data"
2.Select and confirm
3.Select "Check" and confirm
4.The stored status reports appear in the
display. Select the desired report and
confirm your selection.
The display disappears when
the symbol is acknowledged.
Displays after completion of trip
Selected malfunction reports generated
during the trip are shown consecutively
when you switch off the ignition.
If indicated, the following message may
also appear:
"Parking lamps on!"
This message appears when you open the
driver's door after parking. A supplemen-
tary gong is also heard.
Even with the ignition and Info Display off,
you can reactivate the screen and display
the messages.
Press the CHECK button for approx.
8 seconds, refer to page 85. The stored
status reports appear again in the display. If several messages are present, you can
continue to press the CHECK button to
view them in succession.
The Check Control function
>cancels itself automatically after a brief
period
>can be canceled by again pressing the
CHECK button for approximately
8 seconds.
You can select the language in which
Check Control status reports and
messages from the computer will appear,
refer to page 91.<
Computer
To select functions:
You can use the buttons in the turn signal
indicator lever to request a display from the
computer on the Info Display, starting at
the radio mode in the ignition lock.
1Info Display on left
2Info Display on right
A new function appears each time you
press the button.

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107
Automatic air distribution and supply
The AUTO program adjusts the
airflow and distribution patterns
for you while also using your
preselected temperature setting as the
basis for adjusting the interior climate to
adapt to external influences Ð summer,
winter.
The air conditioner comes on automatically
when you select the AUTO program.
Temperature adjustment
You can turn to select the
desired temperatures for the
driver's and passenger sides.
Your settings appear in the
Control Display's status line.
The figures in the display provide a general
indication of interior temperature. When
you start the vehicle, this system ensures
that the selected temperature is achieved
as quickly as possible. It then maintains
this temperature, regardless of the season.
Defrosting windows and removing
condensation
This program quickly removes
ice and condensation from the
windshield and door windows.
Adjusting air supply manually
You can adjust the air supply by
turning. The automatic air
supply control is operational
whenever you see your selec-
tion represented by a bar in the
Control Display's status line. The automatic
air distribution remains in operation as
before. You can reactivate the automatic
air supply mode with the AUTO button.
Switching air conditioner mode on
and off manually
The air conditioner cools and
dehumidifies the incoming air
before also reheating it as
required, according to temperature setting.
Depending on the weather, the windshield may fog over briefly when the engine is
started.
The air conditioner comes on automatically
when you select the AUTO program.
Maximum cooling
This program quickly provides
maximum cooling.
The temperature display reverts
to 607 (166) while the
system switches to the recirculated-air
mode and starts to provide maximum air
supply through the vent outlets only. For
this reason you should ensure that these
outlets are open before selecting this pro-
gram.
Outside air/AUC Automatic recircu-
lated-air control/Recirculated air
You can respond to unpleasant
odors or pollutants in the imme-
diate environment by tempo-
rarily suspending the supply of outside air.
The system then recirculates the air cur-
rently within the vehicle. AUC executes this
function automatically.
Press the button repeatedly to run through
the following control sequence:
>Indicator lamps off: outside air flows
into the vehicle
>Left-hand indicator lamp on Ð AUC
mode: the system detects pollutants
in the outside air and responds by
blocking the supply of outside air when
required. The system then recirculates
the air currently within the vehicle.
Depending upon air quality, in the auto-
matic mode the system may start to
alternate between its outside-air and
recirculated-air modes
>Right-hand indicator lamp on Ð recircu-
lated-air mode: the supply of outside air
into the vehicle is permanently blocked.
The system then recirculates the air
currently within the vehicle.
If condensation starts to form on the
inside window surfaces during opera-
tion in the recirculated-air mode, you

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121
Securing the load
Secure the bag's contents by tight-
ening down the strap at the buckle.<
Stowing the ski bag
1.To close the hatch in the luggage
compartment:
Press the handle and slide to the left
2.Fold up the ski bag and place it in the
compartment
3.Engage the cover as shown
4.Close the cover.

Things to remember when driving
126 Warning lamp for Canadian models.
The brake pads have reached their
minimum pad thickness. Have them
replaced at your BMW center as soon as
possible.
For your own safety: use only brake
pads that BMW has released for your
particular vehicle model. Because BMW
cannot assess the suitability of other brake
pads for use on your vehicle, we are unable
to assume continued responsibility for the
vehicle's operating safety if non-approved
pads are installed.<
Cargo loading
Stowing cargo
>Load heavy cargo as far forward and as
low as possible, placing it directly
behind the bulkhead behind the rear
seats
>Cover sharp edges and corners
>For very heavy cargo when the rear seat
is not occupied, secure each safety belt
in the opposite buckle.
Securing the load
>Use the luggage net* or securing straps
to hold down small and light-weight
luggage and cargo, refer to page 40
>Heavy-duty cargo straps
* for securing
larger and heavier objects are available
at your BMW center. Anchorages for
attaching these heavy-duty straps have
been provided in your vehicle's luggage
compartment, refer to the illustration
>Please observe the special instructions
supplied with the anchorage fittings.
Always position and secure the load
correctly. If you do not, it can even
endanger the passengers during braking or
evasive maneuvers.
Never exceed either the approved gross
vehicle weight or either of the approved
axle loads, refer to page 210, as excessive
loads can pose a safety hazard, and may
also place you in violation of freeway safety
laws.
You should never transport heavy or hard
objects unsecured in the passenger com-
partment, as they could fly around and
even pose a safety hazard to the vehicle's
occupants during abrupt braking or evasive
maneuvers.<

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127
Roof-mounted luggage
rack*
Anchorage points
The anchorage points are located within
the door openings.
A special rack system is available as an
option for your BMW. Please comply with
the precautions included with the installa-
tion instructions.
Because roof racks raise the vehicle's
center of gravity when loaded, they have a
major effect on its handling and steering
response.
You should therefore always remember not
to exceed the approved roof weight, the
approved gross vehicle weight or the axle
loads when loading the rack.
You can find the specified weights in the
Technical data section on page 210.
Make sure that the load is not too heavy,
and that it does not extend outward to
beyond the limits of the loading surface.
Always load the heaviest pieces first Ð on
the bottom. Be sure that adequate clea-
rance is maintained for raising the sliding/
tilt sunroof, and that objects do not project
into the opening path of the luggage com-
partment lid.
Secure roof-mounted cargo correctly and
securely to prevent it from shifting or being
lost during the trip.
Drive smoothly. Avoid sudden acceleration
and braking maneuvers. Take corners
gently.
Entry/pass tags
Infrared windshield technology has been
used on your vehicle to minimize solar
heating of the vehicle interior. This tech-
nology also reduces the ability of electronic
devices to transmit and receive through the
windshield, which will impair their perfor-
mance and operating range.
If you want to place an electronic toll col-
lection device or entry/pass tags behind
the windshield, please use the area marked
in the illustration. This area is clearly visible
from inside the vehicle.

Wheels and tires
188 The correct combination of wheels
and tires is a vital factor in ensuring
reliable operation of various vehicle sys-
tems such as ABS and DSC.
It is therefore important to ensure that tires
from a single manufacturer with a single
tread configuration are always mounted on
all vehicle wheels; after a flat tire, always
remember to have the specified wheel and
tire combination remounted on the vehicle
as soon as possible.<
Storage
Always store wheels and tires in a cool, dry
place with as little exposure to light as pos-
sible. Always protect tires against all con-
tact with oil, grease and fuels.
Special characteristics of
winter tires
Choosing the right tire
BMW recommends winter tires Ð M+S tires
for use in cold winter driving conditions.
Although all-season M+S tires provide
better winter traction than standard
summer tires with H, V, W and ZR speed
ratings, they generally fail to provide the
same levels of cold-weather performance
as winter tires.
When mounting, always install winter tires
of a single tread configuration and from a
single manufacturer on all four wheels to
ensure safe tracking and secure steering
response.
Observing speed ratings
Never exceed the maximum speed for
which the winter tires are rated.
Unprofessional attempts by laymen to ser-
vice tires can lead to damage and acci-
dents.
Have this work performed by skilled pro-
fessionals only. The technicians at your
BMW center will be glad to assist you with
the required professional knowledge and
specialized equipment.<
Tire condition, tire pressure
Because winter tires display a noticeable
loss in their ability to cope with cold-wea-
ther driving conditions once the tread
wears to below 0.16 in (4 mm), to ensure
continued safety you should always have
such tires replaced.
Always maintain the specified inflation
pressures in all tires, and remember to
have the wheel and tire assemblies bal-
anced every time either a wheel or a tire is
replaced.
Snow chains*
BMW only tests certain snow chains, clas-
sifies them as road-safe and approves
them. Consult your BMW center for more
information. BMW recommends only using
these approved, narrow-link snow chains.
These snow chains are approved exclusi-
vely for use in pairs on the rear wheels, and
should only be mounted on tires with the
dimensions 245/50 R 18. Observe the
manufacturer's instructions when installing
snow chains. Do not exceed a vehicle
speed of 30 mph (50 km/h) with the chains
mounted.

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189
Under the hood
Hood
Releasing
Pull the lever located under the left side of
the instrument panel.
Never attempt to perform any service
or repair operations on your vehicle
without the required, professional technical
training. When you are unfamiliar with the
service procedures and precautions,
always have any required work carried out
at your BMW center. Unprofessional
attempts at service and repair, and the
incorrect handling of parts and materials
that can occur during such attempts, con-
stitute a potential safety hazard, both for
the vehicle's occupants and for other road
users.<
Opening
Pull the release handle and open the hood.
Closing
Close the hood from a height of approx.
16 in (40 cm) with momentum. It must be
clearly heard to engage.
Observe the same precautions that
apply to all closing operations by
ensuring that the hood's travel range is
clear and unobstructed before allowing the
hood to fall into position.
If you see any signs that the hood is not
completely closed while driving your
vehicle, you should stop at once and close
it securely.<