2012 BMW 640I CONVERTIBLE coolant level

Displaying the cruising range
1.
"Settings"
2. "Info display"
3. "Additional indicators" The range is displayed in the instrument cluster.
Tachometer
Always avoid engine speeds in the red warning
field.
In this range, the fuel supply is interrupted
to protect the engine.
Engine oil temperature
▷Cold engine: the pointer is at
the low temperature end.
Drive

at moderate engine and
vehicle speeds.
▷ Normal operating tempera‐
ture:

the pointer is in the mid‐
dle or in the left half of the
temperature display.
▷ Hot engine: the pointer is at the high tem‐
perature end. A Check Control message is
displayed in addition. Coolant temperature
Should the coolant, and with it the engine, be‐
come too hot, a Check Control message is dis‐
played.
Check the coolant level, refer to page
239.
External temperature
External temperature warning If the display drops to +37 ℉/
+3 ℃, a signal sounds.
A Check Control message is dis‐
played.
There is the increased danger of
ice.
Ice on roads
Even

at temperatures above +37 ℉/+3 ℃,
there can be a risk of ice on roads.
Therefore, drive carefully on bridges and shady
roads, for example, to avoid the increased dan‐
ger of an accident.◀
Current fuel consumption
Displays the current fuel con‐
sumption. You can check
whether you are currently driving
in an efficient and environmen‐
tally-friendly manner.
Displaying the current fuel
consumption
1. "Settings"
2. "Info display"
3. "Additional indicators" Seite 75
75Online Edition for Part no. 01 40 2 606 521 - 03 11 490

Reference Mobility Communication Entertainment Navigation Driving tips
Controls At a glance

Oil types
Note
No oil additives
Oil
additives may lead to engine damage.◀
Approved oil types
Your service center can advise you on which en‐
gine oils have been approved by the manufac‐
turer of your vehicle.
The engine oil quality is critical for the life of the
engine.
Only use approved BMW High Performance oil.
Approved oils belong to the viscosity grades
SAE 0W-40, SAE 0W-30, SAE 5W-40 and SAE
5W-30.
Alternative oil types
If the approved engine oils are not available, up
to 1 US quart/liter of another oil with the follow‐
ing specification may be used.
API SM quality standards or higher. Coolant
General information
Danger of burns from hot engine
Do not open the cooling system while the
engine is hot; otherwise, escaping coolant may
cause burns.◀ Suitable additives
Only
use suitable additives; otherwise, en‐
gine damage may occur. The additives are
harmful to your health.◀
Coolant consists of water and additives.
Not all commercially available additives are suit‐
able for your vehicle. Ask your service center for
suitable additives.
Coolant level
Checking
1. Let the engine cool.
2. Turn the cap of the coolant reservoir slightly
counterclockwise

to allow any excess pres‐
sure to dissipate, and then open it. 3.
The coolant level is correct if it lies between
the minimum and maximum marks in the
filler neck. 4.
If the coolant is low, slowly add coolant up to
the specified level; do not overfill.
5. Turn the cap until there is an audible click.
6. Have the cause of the coolant loss elimi‐
nated as soon as possible. Seite 239
239Online Edition for Part no. 01 40 2 606 521 - 03 11 490

Reference
Mobility Communication Entertainment Navigation Driving tips Controls At a glance

Cooling system
239
Corrosion on brake discs 140
Cruise control 106
Cruising range 74
Cupholder 133
Current fuel consumption 75
Current location, storing 148
Customer Relations 221
D
Damage, tires 232
Damping control, dy‐ namic 102
Data, technical 260
Date 76
Daytime running lights 85
Defrosting, refer to Windows, defrosting 124
Destination distance 77
Destination guidance 153
Destination guidance with in‐ termediate destinations 152
Destination input, naviga‐ tion 146
Digital clock 76
Digital radio 167
Dimensions 260
Dimmable interior rearview mirror 60
Direction indicator, refer to Turn signals 69
Display in front wind‐ shield 121
Display,
instrument cluster 74
Display lighting, refer to Instru‐ ment lighting 87
Displays 14
Displays, cleaning 257
Disposal, coolant 240
Disposal, vehicle battery 247
Distance control, refer to PDC 107
Distance to destination 77
Divided screen view, split screen 23
Door lock, refer to Remote control 32 Doors, Automatic Soft Clos‐
ing 40
Drive-off assistant 101
Drive-off assistant, refer to DSC 101
Driving instructions, breaking in 138
Driving notes, general 138
Driving stability control sys‐ tems 101
Driving tips 138
DSC Dynamic Stability Con‐ trol 101
DTC Dynamic Traction Con‐ trol 101
DVD/CD 173
DVD/CD notes 179
DVD changer 177
DVD settings 176
DVDs, storing 180
DVD, video 175
Dynamic Damping Con‐ trol 102
Dynamic destination guid‐ ance 159
Dynamic Drive 102
Dynamic Driving Control 103
Dynamic Stability Control DSC 101
Dynamic Traction Control DTC 101
E
EfficientDynamics, refer to Saving fuel 141
Electronic displays, instru‐ ment cluster 16
Electronic engine oil level check 238
Electronic Stability Program ESP, refer to DSC 101
Emergency detection, remote control 33
Emergency
operation, conver‐
tible top 47
Emergency release, door lock 39 Emergency release, fuel filler
flap 226
Emergency Request 248
Emergency service, refer to Roadside Assistance 249
Emergency start function, en‐ gine start 33
Emergency unlocking, trunk lid 41
Energy Control 75
Energy recovery 76
Engine compartment 236
Engine compartment, working in 236
Engine coolant 239
Engine oil 238
Engine oil, adding 238
Engine oil additives 239
Engine oil filler neck 238
Engine oil temperature 75
Engine oil types, alterna‐ tive 239
Engine oil types, ap‐ proved 239
Engine start during malfunc‐ tion 33
Engine start, refer to Starting the engine 66
Engine start, Starting aid 249
Engine stop 66
Engine temperature 75
Entering/exiting
vehicle, assis‐
tance, steering wheel 61
Equalizer 164
Equipment, interior 128
ESP Electronic Stability Pro‐ gram, refer to DSC 101
Exchanging wheels/tires 233
Exhaust system 138
Exterior mirror, automatic dim‐ ming feature, dimmable exte‐
rior mirrors 60
Exterior mirrors 59
External devices 184
External start 249
External temperature dis‐ play 75
Seite 274
274 Online Edition for Part no. 01 40 2 606 521 - 03 11 490
Everything from A to Z

Menu in instrument cluster
76
Menus, operating, iDrive 19
Menus, refer to iDrive operat‐ ing concept 20
Message list, traffic bulle‐ tins 157
Messages 210
Messages, refer to Check Control 82
Microfilter 126
Minimum tread, tires 232
Mirror 59
Mirror memory 58
Mobile communication devi‐ ces in the vehicle 139
Mobile phone 196
Modifications, technical, refer to Safety 7
Moisture in headlamp 244
Monitor, refer to Control Dis‐ play 19
Mounting of child restraint fix‐ ing systems 62
MP3 player 184
Multifunction steering wheel, buttons 12
Multimedia 173
Music collection 180
Music search 181
Music, storing 180
N
Navigation 146
Navigation data 160
Neck restraints, front, refer to Head restraints 57
New wheels and tires 233
Night Vision with pedestrian detection 118
NORMAL program, Dynamic Driving Control 105
Notes 213
Nylon rope for tow-starting/ towing 252 O
OBD Onboard Diagnos‐
tics 241
Obstacle marking, backup camera 111
Odometer 76
Office 207
Oil 238
Oil, adding 238
Oil additives 239
Oil
change interval, service re‐
quirements 81
Oil filler neck 238
Oil level check 238
Oil types, alternative 239
Oil types, approved 239
Old batteries, disposal 247
Onboard Diagnostics OBD 241
Onboard monitor, refer to Control Display 19
Online, refer to BMW On‐ line 220
Opening/closing from in‐ side 39
Opening/closing via door lock 38
Opening/closing with remote control 36
Operating concept, iDrive 19
Outside air, refer to Automatic recirculated-air control 125
Overheating of engine, refer to Coolant temperature 75
P
Paint, vehicle 255
Panic mode 37
Parallel parking assistant 115
Park Distance Control PDC 107
Parked-car ventilation 126
Parked vehicle, condensa‐ tion 140
Parking aid, refer to PDC 107
Parking assistant 115 Parking brake
67
Parking lamps 84
Parking with Auto Hold 67
Passenger side mirror, tilting downward 59
Pathway lines, backup cam‐ era 110
PDC Park Distance Con‐ trol 107
Pedestrian detection, refer to Night Vision 118
People detection, refer to Night Vision 118
Permissible axle load 261
Personal information 207
Personal Profile 33
Phone 196
Pinch protection system, win‐ dows 44
Plastic, care 256
PlugIn 223
Position, storing 148
Postal code, entering in navi‐ gation 146
Power failure 247
Power windows 43
Pressure, tire air pres‐ sure 229
Pressure warning FTM, tires 95
Profile, refer to Personal Pro‐ file 33
Programmable memory but‐ tons, iDrive 23
Protective function, win‐ dows 44
Push-and-turn switch, refer to Controller 19
R
Radiator fluid 239
Radio 166
Radio-operated key, refer to Remote control 32
Radio ready state 65
Rain sensor 70
Random 174
Seite 277
277Online Edition for Part no. 01 40 2 606 521 - 03 11 490

Reference Mobility Communication Entertainment Navigation Driving tips Controls At a glance