check engine BMW 745LI SEDAN 2002 Owners Manual

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13

1

Rear window sun blind109

2

Rear window safety switch42

3

Electric power windows42

4

Exterior mirrors52

5

Parking brake62

6

Parking lamps and low beams96

7

Instrument lighting97

8

Turn signal indicators71
High beams, headlamp flasher97
Computer81,
Check Control80
Computer81
Standing lamps97

9

Steering wheel18

10

Info Display14

11

Automatic transmission lever66

12

Ignition lock61

13

Switching ignition on and off,
starting the engine62

14

Windshield wipers71
Rain sensor71

15

Park Distance Control (PDC)88

16

Horn: the entire surface

17

Steering wheel heating53
Steering wheel adjustment53

18

Unlocking the luggage
compartment39

19

Programmable cruise control73

20

Front fog lamps97
Front fog lamps

21

Opening the hood175

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15

Indicator and warning lamps
Technology that monitors itself

The indicator and warning lamps identified
by the

l

symbol are subjected to an oper-
ation check each time you switch on the
ignition or start the engine. They each light
up once for different periods of time.
When a malfunction occurs in a monitored
system, the corresponding lamp will either
fail to go out when the engine is started, or
it will come on again during normal driving.
For information on how you should respond
when this happens, please refer to the
pages indicated.
Please fasten safety belts

l

50
DSC Dynamic Stability
Control

l

89
DTC Dynamic Traction Control89
ABS Antilock Braking System

l

91
Parking brake/Brake system
hydraulic circuits/DBC Dynamic
Brake Control

l

62/ 91/ 178
Parking brake/Brake hydraulic
sytems/DBC Dynamic Brake
Control for Canadian models.
Parking brake62,65
Parking brake62,65
Automatic parking brake Ð Auto-
matic Hold

l

63,65 Engine

l

180
Airbags

l56
Turn signal indicators71
High beams/headlamp flasher97
Front fog lamps97
ColorsThe indicator and warning lamps can light
up in different colors and combinations.
The following section explains the signifi-
cance of the individual colors as well as
how you should respond when they
appear.
>Red:
Stop the vehicle immediately
or
an important reminder
>Red and yellow:
To drive; drive cautiously
>Yellow:
Have the system inspected at the earliest
opportunity
or
for your information
>Green
For your information
>Blue:
For your information.

At a glanceControlsDriving tipsCommunicationsNavigationEntertainmentMobilityReference
65
>the hood is opened while the engine is
running
>the luggage compartment 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 shifts from green
to red, and the "Auto P" message disap-
pears from the Info Display.
Before starting off again, briefly press the
button to disengage the parking brake
manually, refer to page 63, or reactivate
Automatic Hold, refer to page 64.
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 precautions.
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 displays in the Check Control
panel. You can find more detailed informa-
tion on Check Control on page 80.< Malfunctions In the event of malfunction, the indicator
lamp in the Info Display will light up
yellow, and a status report will appear in
the Check Control panel. Please remember
to observe the supplementary information
provided in the Control Display. To disengage 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 it is not possible to avoid parking on an
extremely steep slope, use some supple-
mentary means, such as a wheel chock, to
make certain that the vehicle will not roll,
refer to page 184. Otherwise the danger
exists that the vehicle could roll when
parked on a very steep hill.<
Should it be necessary to release the auto-
matic 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 70.
Towing and jump-starting, refer to
pages 187 and 188.
What you will need 1Screwdriver handle
2Emergency-release tool
310 mm open-end wrench
You will find the required tools in the tool kit
mounted on the inside of the luggage
compartment lid, refer to page 181.
Insert the emergency-release tool in the
screwdriver handle as shown in the illustra-
tion.

At a glanceControlsDriving tipsCommunicationsNavigationEntertainmentMobilityReference
67
P R N D Program displayL1 Ð L6 Buttons on steering wheel L/D Ð 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 range indicated
in the Info Display.<
>Range D or R:
Press the selector lever up or down,
continuing to apply pressure to move it
past the detent
>Neutral N:
Press the selector lever as far as, but not
beyond, the detent (resistance)
>Park P:
Press button P, arrow 2.
The selector lever immediately returns to
the center position when released.
Depress the brake pedal before
shifting out of P or N; the shift command will not be executed unless the
brake is applied Ð Shiftlock.
To prevent the vehicle from creeping after
you select a range, maintain pressure on
the brake pedal until you are ready to start.
You can activate the Automatic Hold
feature to suppress the vehicle's tendency
to creep when a driving position is engaged
at idle, 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 80.
To prevent the vehicle from rolling,
always select position P and engage
the parking brake before leaving the
vehicle with the engine running. Note the
information 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 Ñ Park
Press the button. Select only when the
vehicle is stationary. The transmission
lockout prevents the rear wheels from
turning. The lockout disengages when you
press the selector lever toward D, N or R
while the engine is running.
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,
continuing to apply pressure to move it
past the detent. Select R only when the
vehicle is completely stopped.
N Neutral 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

Driving
68 >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
messages.<
D Drive Ð Automatic
Press the selector lever down,
continuing to apply pressure to move it
past the detent. This is the range recom-
mended for normal vehicle operation. All
forward gears are available.
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.
To activate the L mode Press the L/D button on the steering wheel.
The transmission downshifts when you tap
the buttons on the rim of the steering
wheel. 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.
Deactivate the L mode to obtain
maximum acceleration for overtaking
maneuvers, etc.<

Driving
70 To obtain maximum acceleration (for
passing maneuvers, etc.) during
operation in the manual mode, use the
kickdown or downshift manually.<
Malfunctions A status message will appear in the Check
Control panel to alert you to any malfunc-
tions in the transmission-control system.
Please note any supplementary information
that appears in the Control Display. The
directional 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
output 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. Engage 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
manually.
To prevent the drive wheels from
locking up and sliding, the transmis-
sion lockout must always be released
manually before the vehicle is towed.<
Press the brake pedal before
releasing the transmission lockout manually. If the brakes are not applied, the
vehicle 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
discharged battery, etc.), always adhere to
the following sequence:
1.Start by manually releasing the parking
brake, refer to page 65
2.Then proceed to manually release the
transmission lockout.<
Jump-starting and towing, refer to
pages 187 and 188.
To release 1.Use the vehicle key to release the cover
panel beneath the instrument panel by
turning the lock counterclockwise, then
fold down the cover
2.Use the strap 1 to pull out the release
lever, continuing until it snaps into place Ð
the transmission lockout is released.
Re-engage the transmission lockout
after parking the vehicle at its destina-
tion. Otherwise there is a danger that the

At a glanceControlsDriving tipsCommunicationsNavigationEntertainmentMobilityReference
77
Everything under control Odometer, outside temperature display, clockWhen the ignition is off you can briefly acti-
vate the time, outside temperature and
odometer displays by pressing the knob at
the upper left of the Info Display. 1 Outside temperature display, clock The outside temperature and the time
displays are active starting at the radio
position in the ignition lock.
You can change the units of measure Ð
6/7Ð in the "Settings" menu, refer to
page 86.
Setting the clock, refer to page 86.Ice warning A warning signal sounds when the outside
temperature falls to roughly +37.5 7
(+3 6); this is accompanied by a message
in the Check Control display.
Please bear in mind that the ice
warning does nothing to alter the fact
that glare ice may be present on roads at
temperatures higher than +37.5 7 (+3 6),
for instance, on bridges and shade-
covered surfaces.< 2 Odometer The odometer panel also provides displays
for the computer and the Check Control.
Regardless of the current display mode,
you can view the odometer reading for a
short period by pressing the knob at the
upper left of the Info Display. Check Control, refer to page 80.
Computer, refer to page 81.
3 Trip odometer The trip odometer must be present in the
display before you can reset it to zero.
Reset by pressing the knob at the upper left
of the Info Display. Tachometer The orange warning sector (see arrow)
gradually moves upward as the engine

Everything under control
82
Info Display screen contentsThe display sequence:
>Fuel gauge, see next column
>Cruising range and remaining distance
to destination83.
The display sequence:
>Odometer77 >Energy Control/ Current fuel
consumption83
>Average fuel consumption83
>Average speed83
>Time of arrival83.
Maintain pressure on the button 1 to
cancel the display from the computer.
Press the button again to return to the last
display.
It will not be possible to cancel the display
if the fuel level has fallen into the reserve
range or if a Check Control status report is
currently on the screen.
Press the button again to view the last
display.<
Fuel level display The fuel gauge mode appears automati-
cally once the fuel level falls into the
reserve range. The word "Reserve"
appears at the same time, indicating that
approx. 2.6 gallons (10 litres) of fuel remain
in the fuel tank.
It will not be possible to cancel the
onboard computer display once the
fuel level drops into the reserve range.
However, you can still request a display of
the cruising range. Computer, refer to
page 81.<
Tank capacity: approx. 19.4 gallons
(88 litres).
If the tilt of the vehicle varies (when you are
driving in mountainous areas, for example),
the needle may fluctuate slightly.
Always remember to refuel early:
attempts to continue driving to the
last drop can result in damage to the
engine and/or catalytic converter.< Cruising range Displays the estimated cruising range
available with the remaining fuel. The
system calculates the cruising range based
on operating conditions and the amount of
fuel remaining in the tank. The basis for the
calculations is the average fuel consump-
tion over the preceding 20 miles (30 km).

Technology for comfort, convenience and safety
92 Active stabilizers at the front and rear axles
form the basis for Dynamic Drive. Suspen-
sion compliance adapts to suit driving
conditions, varying from performance-
oriented during cornering to smooth and
comfort-oriented when the vehicle is
proceeding in a straight line.
The system assumes operational status
each time you start the engine.
Driving with Dynamic Drive During vehicle operation, the system
continuously runs through closed-loop
control cycles lasting only fractions of a
second. In case of malfunction
The symbol will light up, accompa-
nied by a status message in the
Check Control panel. Please take
note of the additional information in the
Control Display panel.
You can find more detailed information on
the Check Control starting on page 80.
If the Dynamic Drive system switches
off in response to malfunction, please
remember to adapt your speed accord-
ingly, especially in curves.
The suspension will be noticeably softer
and the vehicle will display a greater
tendency to tilt during cornering and in
crosswinds.
If a status message appears in the Check
Control panel, accompanied by a red
symbol, the hydraulic fluid in the reservoir
may have fallen to below the minimum
level, possibly owing to leakage in the
hydraulic system. Stop the vehicle and
switch off the engine immediately.
Please observe the additional instructions
provided in the Control Display panel.<
EDC Electronic Damping
Control*

The suspension responds to changes in
factors such as road surface, or operating
conditions such as steering and braking, by
adapting to the new conditions within frac-
tions of a second.Comfort program The system automatically assumes opera-
tion in its Comfort mode each time you start
the engine; this mode is suitable for use
throughout the vehicle's entire speed range
and regardless of load. Sport programActivate in "Settings" menu with the igni-
tion on.
You should select the Sport program for
consistently performance-oriented
response from shock absorbers and
steering. RDC Tire Pressure Monitor*The conceptRDC monitors inflation pressures in all four
tires while you drive. The system provides
an alert whenever the inflation pressure
drops significantly below the specified
pressure in one or more tires.
To initialize RDC, start by checking the
inflation pressures in all four tires and
comparing them with those specified in the
chart on page 171, correcting them as
necessary. Then proceed to initialize the
system.

At a glanceControlsDriving tipsCommunicationsNavigationEntertainmentMobilityReference
119
Brake system Braking with ABS The best way to achieve optimal response
from the ABS is to apply maximum pres-
sure to the brake pedal during emergencyÐ
panic stops. Since the vehicle maintains
steering responsiveness, you can never-
theless avoid possible obstacles with a
minimum of steering effort.
Pulsation at the brake pedal combines with
sounds from the hydraulic circuits to indi-
cate to the driver that ABS is in its active
mode.
Do not drive with your foot resting on
the brake pedal. Even light but
consistent pedal pressure can lead to high
temperatures, brake wear and possibly
even brake failure.< Disc brakes
Driving in wet conditions While driving in wet conditions and in
heavy rain, it is a good idea to apply light
pressure to the brake pedal every few
miles. Monitor traffic conditions to ensure
that this maneuver does not endanger
other road users. The heat generated in this
process helps dry the pads and rotors to
ensure that full braking efficiency will then
be available when you need it. Hills You can retain full and unimpaired braking
efficiency by downshifting to a gear in
which only minimal brake applications are
needed when descending long or steep
downhill stretches.
You can further enhance the engine's
braking effect by selecting a lower gear in
the automatic transmission's manual
mode, downshifting as far as first gear on
extremely steep stretches, refer to
page 68. This strategy helps you avoid
placing excessive loads on the brake
system.
Corrosion When the vehicle is driven only occasion-
ally, during extended periods when the
vehicle is not used at all, and in operating
conditions where brake applications are
less frequent, there is an increased
tendency for corrosion to form on rotors,
while contaminants accumulate on the
brake pads. This occurs because the
minimal pressure which must be exerted by
the pads during brake applications to clean
the rotors is not reached.
Should corrosion form on the brake rotors,
the brakes will tend to respond with a
pulsating effect that even extended appli-
cation will fail to cure.
Never allow the vehicle to coast with
the transmission in neutral Ð or with
the engine switched off; there is no engine
braking when the transmission is in neutral,
and no power-assist for brakes and
steering when the engine is not running.
Never allow floor mats, carpets or any other
objects to protrude into the area around the
accelerator and brake pedals and obstruct
their movement.< Brake pads
If the brake pad wear indicator lamp
appears in the Check Control,
accompanied by a text: please take
careful note of the additional information in
the Control Display panel.
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.<