2005 BMW 645CI COUPE&CONVERTIBLE coolant temperature

Under the hood
176
Topping off engine oil
Wait until the level has dropped to just above
the lower dipstick mark before adding oil. When
it falls to this level, a message also appears on
the Control Display.
Refill the oil within the next 125 miles/
200 km, otherwise engine damage could
result.<
Store oil, grease etc., well out of the reach
of children; always observe all warning
labels on the containers.<
Oil change
Have oil changes carried out only by a BMW
center.
Specified engine oils
The quality of the engine oil selected has critical
significance for the operation and service life of
an engine. BMW continuously approves spe-
cific oils after confirming their suitability for use
in its vehicles with extensive testing.
Use only approved BMW High Performance
Synthetic Oil.
If you are unable to obtain BMW High Perfor-
mance Synthetic Oil, you can add small
amounts of another synthetic oil between oil
changes. Use only oils with the API SH specifi-
cation or higher.
Ask your BMW center for details concern-
ing the specific BMW High Performance
Synthetic Oil or synthetic oils which have been
approved.<
You can also call BMW of North America at
1-800-831-1117 or visit this website:
www.bmwusa.com to obtain this information.BMW engines are designed to operate
without additives, and their use could
even lead to damage in some cases.<
Viscosity ratings
Viscosity is the oil flow rating as defined in SAE
classes.
The selection of the correct SAE class depends
on the climatic conditions in the area where you
typically drive your BMW.
Approved oils are in SAE classes 5W-40
and 5W-30.<
These oils may be used for driving in all ambient
temperatures.
Coolant
Do not open the cooling system when the
engine is hot. Escaping coolant can cause
burns.<
Coolant consists of water and coolant additive.
Not all commercially available additives are suit-
able for your BMW. Ask your BMW center for
suitable additives.
Only use suitable additives, as otherwise
engine damage may result. The additives
present a health hazard.<
Always observe all applicable environ-
mental laws and regulations when dis-
posing of used coolant additives.<
Checking coolant level
1.The engine must be at ambient tempera-
ture.

199Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Everything from A to Z
Index
"..." Identifies Control Display
texts used to select
individual functions,
pointing out where these are
located.
A
ABS Antilock Brake
System81
– indicator lamp83
– malfunction83
ACC, refer to Active cruise
control62
Acceleration assistant with
SMG59
Accessories, refer to Your
individual vehicle5
Activated-charcoal filter97
"Activation time" for
independent ventilation98
Active cruise control62
– indicator lamps64
– malfunction68
– selecting distance65
Active roll stabilization83
Active steering85
– initializing system86
– warning lamp85
Adapting temperature in
upper body region97
Adaptive brake lamps, refer to
Brake Force Display86
Adaptive Head Light92
"Add digits" for portable
phone153
"Address book" for
navigation120
Address for navigation
– deleting121
– entering115
– selecting120
– storing current position120"Add to destination list"117
Adhesive bandages, refer to
First-aid kit186
Adjusting the temperature
with automatic climate
control95
Adjusting the thigh support45
Adjusting tone during audio
operation, refer to Tone
control133
"After opening door"46
"After unlocking"46
Airbags86
– deactivating, Coupe52
– sitting safely44
– warning lamp87
Air distribution
– automatic95
– manual96
Airing, refer to Ventilation97
Air recirculation, refer to AUC
Automatic recirculated-air
control95
"Air recirculation on / off"51
Air vents, refer to
Ventilation94
Air volume95
AKI, refer to Fuel
specifications167
Alarm system34
– avoiding unintentional
alarms35
– interior motion sensor35
– switching off alarm34
– switching off tilt alarm
sensor and interior motion
sensor35
– tilt alarm sensor35
All around the center
console14
All around the steering
wheel10
"All channels"141"All doors"29
All-season tires, refer to
Winter tires172
"AM", reception
range133,136
Antenna for portable
phone150
Antifreeze
– coolant176
– washer fluid61
Antilock Brake System
ABS81
– indicator lamp83
Anti-theft alarm system, refer
to Alarm system34
Anti-theft system29
Anti-trapping mechanism
– glass sunroof38
– power windows37
Approved axle loads, refer to
Weights192
Approved gross vehicle
weight, refer to Weights192
Armrest, refer to Center
armrest102
Arrival time
– refer to Computer75
– refer to Starting destination
guidance124
"Arrow display" during
Navigation127
Ashtray103
Assist, refer to BMW
Assist159
Assistance systems, refer to
Driving stability control
systems81
Assistance window20
"Assist. window off"21
AUC Automatic recirculated-
air control95
"Audio"133

Everything from A to Z
204 Emergency operation, refer to
Manual operation
– convertible top41
– door lock31
– driver's door31
– fuel filler door166
– glass sunroof38
– luggage compartment
lid32,33
Emergency release33
Emergency services, refer to
Roadside Assistance186
"Emission inspect."71
"Enable services"160
"End call"153
Engine
– breaking-in108
– data192
– speed192
– starting54
– starting difficulties54
– switching off55
Engine compartment175
Engine coolant176
Engine oil
– checking the oil level175
– dipstick175
– specified engine oils176
– temperature70
– temperature gage70
– topping off176
Engine output, refer to Engine
data192
Engine speed, refer to Engine
specifications192
Engine starting, refer to
Starting engine54
"Enter address" for
navigation116
Entering destination116
Entering the address115
Entering the intersection117
Entering the town/city for
navigation116
Entering zip code for
navigation116
"Entertainment"133"Entertainment settings"133
Entry map for destination117
Entry to the rear48
"Equalizer", refer to Tone
control135
"ESN"140
ESP Electronic Stability
Program, refer to DSC
Dynamic Stability
Control82
Exhaust system, refer to Hot
exhaust system108
Exterior mirrors49
– automatic dimming
feature50
– automatic heating50
Eye for towing, refer to Tow
fitting188
Eyes for lashing, refer to
Securing load111
F
Fader, refer to Tone
control134
Failure messages, refer to
Check Control71
False alarms, refer to Avoiding
unintentional alarms35
Fastening safety belts, refer to
Safety belts48
Fastest route for
navigation122
Fast forward
– CD changer145
– CD player145
"Fast route" for
navigation122
First aid, refer to First-aid
kit186
First-aid kit186
First-aid pouch, refer to First-
aid kit186
Flashing when locking and
unlocking, refer to Setting
acknowledgement
signals30Flashlight, refer to
Rechargeable flashlight101
Flat tire
– Flat Tire Monitor84
– run-flat tires85,172
Flat Tire Monitor84
– false alarms84
– initializing system84
– malfunction85
– snow chains173
– system limits84
– warning lamp85
"FM", reception
range133,136
FM, waveband136
Fog lamps92
– indicator lamp13,92
Folding up convertible top
compartment floor,
Convertible34
Footbrake, refer to Braking
safely109
Footwell lamps93
For your own safety6
Front airbags86
Front head restraints47
"FTM"84
Fuel
– average consumption74
– display70
– fuel specifications167
– high-quality brands167
– quality167
– tank capacity166
Fuel display, refer to Fuel
gage70
Fuel filler door166
– releasing in the event of
electrical malfunction166
Fuel gage70
Fuel specifications167
Fuses184