2004 BMW 745Li check engine light

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197Reference
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Antifreeze and anticorrosion agents are
flammable. Therefore, do not pour over hot
engine parts, as otherwise they could catch
fire and cause burns.
Always observe the instructions for use
provided on the containers.<
Always observe all applicable rules
and regulations for environmental
protection when disposing of used anti-
freeze and anticorrosion agents.<
Checking coolant level
Correct coolant level with the engine cold Ð
approx. +687/206:
1.Turn the cap of the expansion tank
counterclockwise to allow any accumu-
lated pressure to escape, then continue
turning to open
2.The coolant level is correct when the
coolant extends to between the MIN
and MAX marks on the filler neck, refer
to the diagram adjacent to the filler
neck
3.If the coolant is low, slowly add coolant
up to the specified level Ð do not overfill.
Brake fluid
The symbol lights up and a mes-
sage appears in the Check Control:
The brake fluid in the reservoir has
fallen to below the minimum level.
The brake fluid reservoir is located under
the microfilter housing trim panel on the
driver's side of the vehicle. To have brake
fluid added to the system, or to have the source of any brake fluid loss traced and
rectified, please contact your BMW center,
which can also supply the factory-
approved Ð DOT 4 Ð brake fluids.
Brake fluid is hygroscopic: it absorbs
moisture from the atmosphere over
the course of time.
To ensure that the brake system continues
to provide safe and reliable performance,
remember to have the brake fluid changed
every two years at the latest, refer to
page 82 and to the Service and Warranty
Information Booklet for US models or the
Warranty and Service Guide Booklet for
Canadian models.
Brake fluid is toxic and also damages vehi-
cle paintwork. Always store these agents in
tightly-closed original containers kept well
away from the reach of children.
Do not spill the fluid and do not refill the
brake fluid reservoir to beyond the MAX
mark. Should it come into contact with hot
engine components, the brake fluid could
ignite and cause personal injury in the form
of burns.<
Always observe all applicable envi-
ronmental rules and regulations when
disposing of used brake fluid.<
Warning lamp for Canadian models.
Brake hydraulic systems
A low brake-fluid level combined with
longer-than-usual pedal travel could be
a sign that one of the brake system's
hydraulic circuits has failed.
Proceed to the nearest BMW center.
Remember that pedal travel may be
increased, and there may also be a sub-
stantial increase in the amount of pedal
pressure required to brake the vehicle.
Please adapt your driving style accord-
ingly.<

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Rules and regulations
California Proposition 65
Warning
California laws require us to issue the fol-
lowing warning:
Engine exhaust and a wide variety of
automobile components and parts,
including components found in the interior
furnishings in a vehicle, contain or emit
chemicals known to the State of California
to cause cancer and birth defects and
reproductive harm. In addition, certain flu-
ids contained in vehicles and certain prod-
ucts of component wear contain or emit
chemicals known to the State of California
to cause cancer and birth defects or other
reproductive harm.
Battery posts, terminals and related acces-
sories contain lead and lead compounds.
Wash your hands after handling.
Used engine oil contains chemicals that
have caused cancer in laboratory animals.
Always protect your skin by washing thor-
oughly with soap and water.<
OBD connector
The Onboard Diagnostic OBD interface
socket is located on the left of the driver's
side under the instrument panel and under
a cover.
The cover has the letters OBD on it.The purpose of the OBD system is to
ensure proper operation of the emission
control system for the vehicle's lifetime.
The system monitors emission-related
components and systems for deterioration
and malfunction.
An indicator lamp informs you of the
need for service, not of the need to
stop the vehicle. However, the sys-
tems should be checked by your BMW
center at the earliest possible opportunity.
Indicator lamp for Canadian mod-
els.
Under certain conditions, the indicator
lamp will blink or flash. This indicates a
rather severe level of engine misfire. When
this occurs, you should reduce speed and
consult the nearest BMW center as soon as
possible. Severe engine misfire over only a
short period of time can seriously damage
emissions control components, especially
the catalytic converter.
When the fuel filler cap is not properly
tightened, the OBD system can
detect the vapor leak and the indicator will
light up. If the filler cap is subsequently
tightened, the indicator lamp should go out
within a few days.<

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Run-flat tires*
You will recognize run-flat tires by a circu-
lar symbol containing the letters RSC on
the side of the tire. They consist of self-
contained tires and special rims. The tire
reinforcement ensures that the tire retains
some residual safety in the event of pres-
sure drop and driving remains possible
to a restricted degree. The vehicle is
equipped with a Flat Tire Monitor which
indicates punctures.
The reinforcement on the flanks of the
tires means that it is usually not pos-
sible to detect an air loss from outside.<
Flat tire
If you have a flat tire, the indicator lamp
symbol in the Check Control will light up in
red, and a message will appear. In addition,
a gong sounds.
You can find more detailed information on
the Flat Tire Monitor on page 95.
Reduce vehicle speed carefully to under
50 mph/80 km/h, avoiding hard brake
applications and steering maneuvers.
If the defective wheel is not recognizable
as such immediately, check the inflation
pressure in all four tires.
For reasons of safety, do not arrange
for run-flat tires to be repaired. Your
BMW center has the information needed
for working with these tires and is equipped
with the necessary special tools.<
Continuing driving with a damaged
tire
Driving on run-flat tires can continue
depending on the vehicle load and the
severity of the tire damage, at a maximum
speed of 50 mph/80 km/h. You can deter-
mine the possible mileage for continued
driving on the basis of the following general
indications:
>Tire inflation pressure 0 psi/kPa:
With empty vehicle approx. 90 miles/
150 km
With full payload approx. 30 miles/
50 km
>Tire inflation pressure 7 psi/50 kPa to
15 psi/100 kPa:
Approx. 300 miles/500 km
>Tire inflation pressure greater than
15 psi/100 kPa:
Approx. 600 miles/1,000 km.
Drive reservedly and do not exceed a
speed of 50 mph/80 km/h. In the case
of air loss, you can expect changes in vehi-
cle handling such as reduced lane stability,
longer braking distances, and changes in
self-steering properties.<
Battery
Battery care
The battery is 100 % maintenance-free, i.e.,
the electrolyte will last for the life of the bat-
tery when the vehicle is operated in a tem-
perate climate.
For all questions that regard the bat-
tery, please consult your BMW cen-
ter.<
Charging the battery
Only charge the battery in the vehicle via
the terminals in the engine compartment
with the engine off. Connections, refer to
Jump-starting on page 208.

Everything from A to Z
218 Check Control 82
Ð "Check" 83
Checking engine oil
level 195, 195
Checking inflation
pressure 188
Child's seat 56
Child-restraint system 56
Child-safety lock 58
Cigarette lighter 116
Cleaning, refer to the
Caring for your vehicle
brochure
Cleaning windshield 70
"Climate" 18, 21
"Clock" 88
Clock 80
Ð setting time and date 88
Closing
Ð from inside 36
Ð from outside 33
Closing assist
Ð doors 37
Ð luggage compartment
lid 38
Cockpit 10, 14
Coin holder, refer to front
center armrest 114
Cold start 61
"Color" for TV mode 164
"Comfort"
Ð "EDC" 94
Comfort Access 34
Ð battery changing 35
Comfort features 14
Comfort seat 45
Ð in rear 46
"Comm." 24
"Communication"
18, 21, 175
Compact Disc, refer to
CD 158
Compartments, refer to
Storage
compartments 114Computer, refer to Control
Center 17, 84
Ð automatic climate
control 106
Ð "BC" 86
Ð changing settings 88
Ð display, menus 21
Ð displays on the Control
Display 85
Ð language selection 88
Ð setting brightness 89
Ð setting time and date 88
Ð status lines 23
Ð symbols 19
Condition Based Service
CBS 198
Confirming a menu item on
the Control Display 18
Connecting car vacuum
cleaner 116
Consumption
display 84, 85
"Contrast" for TV mode 164
Control Center 17
Ð adjusting the
brightness 89
Ð assistance window 22
Ð automatic climate
control 106
Ð changing settings 88
Ð changing the menu
page 19
Ð display, menus 21
Ð displaying help texts 22
Ð language selection 88
Ð lists 19
Ð menus 21
Ð rear 23
Ð selecting units of measure
and display format 88
Ð setting time and date 88
Ð status lines 23
Ð symbols 19
Ð symbols and lists 19
Control Display 17, 18
Ð in the rear 23
Ð switching off 18
Controller, refer to Control
Center 17Controls 10, 14
Convenience operation of
windows and glass
roof 36
Convenience starting
feature 61
"Coolant" 198
Coolant 195, 196
Cooler, refer to Rear
cooler 113
Country of destination 133
Courtesy lighting 101
Creating voice address
book 142
Cruise control 71
Ð active cruise control 73
Cruising range 85
Cup holder, refer to
Beverage holders 115
Curb weight 214
Current fuel
consumption 85
D
Data 212
"Date" 88
Daytime driving lamps 99
DBC Dynamic Brake
Control 93
Defrosting the windshield,
refer to Defrosting
windows 104
Defrosting windows 104
Defrost setting 104
"DELETE" for
navigation 136, 137
Destination 133
Destination during
navigation
Ð selecting in
Information 135
Ð selecting using voice 143
Destination entry 132
Destination guidance
Ð interrupting 141
Ð terminating 141
Destination list 136
"Dest. input" 132
"Detour" 141