2014 BMW 640I CONVERTIBLE cooling

CoolantVehicle equipmentAll standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐
ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
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,
engine damage may occur. The additives are
harmful to your health.◀
Coolant consists of water and additives.
Not all commercially available additives are
suitable for your vehicle. Ask your service cen‐
ter for suitable additives.
Coolant level
Checking1.Let the engine cool.2.Turn the cap of the coolant reservoir
slightly counterclockwise to allow any ex‐cess pressure to dissipate, and then open
it.3.The coolant level is correct if it lies be‐
tween 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.
The arrows on the coolant reservoir and
the cap must point towards one another.6.Have the cause of the coolant loss elimi‐
nated as soon as possible.
Disposal
Comply with the relevant environmen‐
tal protection regulations when dispos‐
ing of coolant and coolant additives.
Seite 207CoolantMobility207
Online Edition for Part no. 01 40 2 910 721 - VI/13

Everything from A to Z
IndexA ABS, Antilock Brake Sys‐ tem 122
ACC, Active Cruise Control with Stop & Go 130
Activated-charcoal filter 160
Active Blind Spot Detec‐ tion 117
Active Cruise Control with Stop & Go, ACC 130
Active Protection 119
Active roll stabilization, see Dynamic Drive 125
Active seat, front 53
Active seat ventilation, front 53
Active Steering, integral 125
Adaptive brake assistant 122
Adaptive brake lights, refer to Brake force display 119
Adaptive drive 125
Adaptive light control 92
Additives, oil 206
Adjusting, steering wheel 59
Adjustments, seats/head re‐ straints 51
After washing vehicle 222
Airbags 96
Airbags, indicator/warning light 97
Air circulation, refer to Recir‐ culated-air mode 159
Air distribution, manual 158
Air drying, refer to Cooling function 159
Air flow, automatic climate control 158
Air pressure, tires 191
Air vents, refer to Ventila‐ tion 160 Alarm system 40
Alarm, unintentional 41
All around the center con‐ sole 14
All around the interior rear‐ view mirror 15
All around the steering wheel 12
All-season tires, refer to Win‐ ter tires 200
All-wheel-drive 124
Alternating-code hand-held transmitter 165
Alternative oil types 206
Ambient light 94
Antifreeze, washer fluid 72
Antilock Brake System, ABS 122
Anti-slip control, refer to DSC 122
Approved engine oils 206
Armrest, refer to Front center armrest 170
Arrival time 88
Ashtray 166
Assistance, Roadside Assis‐ tance 217
Assistance when driving off 122
Attentiveness assistant 119
AUTO H button, refer to Au‐ tomatic Hold 68
AUTO intensity 158
Automatic car wash 221
Automatic Cruise Control with Stop & Go 130
Automatic Curb Monitor 58
Automatic deactivation, front passenger airbags 98
Automatic headlamp con‐ trol 92 Automatic Hold 68
Automatic locking 39
Automatic recirculated-air control 159
Automatic Soft Closing, doors 36
Automatic transmission with Steptronic 72
AUTO program, automatic cli‐ mate control 158
AUTO program, intensity 158
Auto Start/Stop function 65
Average fuel consumption 88
Average speed 88
Axle loads, weights 229
B Backrest curvature, refer to Lumbar support 52
Backrest, seats 51
Backrest, width 52
Backup camera 144
Band-aids, refer to First aid kit 217
Bar for tow-starting/ towing 219
Battery replacement, remote control for parked-car heat‐
ing/ventilation 162
Battery replacement, vehicle battery 214
Battery replacement, vehicle remote control 30
Battery, vehicle 214
Belts, safety belts 54
Beverage holder, cu‐ pholder 171
BMW Assist, see user's manual for Navigation, En‐Seite 232ReferenceEverything from A to Z232
Online Edition for Part no. 01 40 2 910 721 - VI/13

Congestion Assistant 136
ConnectedDrive, see user's manual for Navigation, En‐
tertainment and Communi‐
cation
ConnectedDrive Services
Control Display 16
Control Display, settings 89
Controller 16
Control systems, driving sta‐ bility 122
Convenient closing 34
Convenient opening 34
Convertible, convertible top 43
Convertible mode, automatic climate control 158
Convertible program, auto‐ matic climate control 158
Convertible top 43
Convertible top, care 222
Convertible top, cargo area partition 45
Convertible top, emergency operation 45
Convertible top, rollover pro‐ tection system 99
Convertible top tool 45
Coolant 207
Coolant temperature 83
Cooling function 159
Cooling, maximum 159
Cooling system 207
Corrosion on brake discs 176
Cruise control 139
Cruise control, active with Stop & Go 130
Cruising range 83
Cupholder 171
Current fuel consumption 84
D
Damage, tires 199
Damping Control, dy‐ namic 125 Data, technical 228
Date 83
Daytime running lights 92
Defrosting, refer to Windows, defrosting 159
Departure time, parked-car heating 162
Departure time, parked-car ventilation 162
Destination distance 88
Digital clock 83
Dimensions 228
Dimmable exterior mirrors 58
Dimmable interior rearview mirror 58
Direction indicator, refer to Turn signals 69
Display in windshield 154
Display lighting, refer to In‐ strument lighting 94
Displays 76, 77
Displays, cleaning 225
Disposal, coolant 207
Disposal, vehicle battery 214
Distance control, refer to PDC 142
Distance information 155
Distance to destination 88
Divided screen view, split screen 20
Door lock, refer to Remote control 30
Doors, Automatic Soft Clos‐ ing 36
Downhill control 124
Drive-off assistant 122
Drive-off assistant, refer to DSC 122
Driver assistance, see Intelli‐ gent Safety 105
Driving Assistant, see Intelli‐ gent Safety 105
Driving Dynamics Con‐ trol 126
Driving instructions, breaking in 174 Driving mode 126
Driving notes, general 174
Driving stability control sys‐ tems 122
Driving tips 174
DSC Dynamic Stability Con‐ trol 122
DTC driving dynamics 123
DTC Dynamic Traction Con‐ trol 123
Dynamic Damping Con‐ trol 125
Dynamic Drive 125
Dynamic Stability Control DSC 122
Dynamic Traction Control DTC 123
E
ECO PRO 180
ECO PRO, bonus range 181
ECO PRO display 180
ECO PRO displays 79
ECO PRO driving mode 180
ECO PRO mode 180
ECO PRO Tip - driving in‐ struction 182
EfficientDynamics 182
Electronic displays, instru‐ ment cluster 77
Electronic Stability Program ESP, refer to DSC 122
Emergency detection, remote control 31
Emergency operation, convertible top 45
Emergency release, door lock 36
Emergency release, fuel filler flap 188
Emergency Request 216
Emergency service, refer to Roadside Assistance 217
Emergency start function, en‐ gine start 31 Seite 234ReferenceEverything from A to Z234
Online Edition for Part no. 01 40 2 910 721 - VI/13

Light-emitting diodes,LEDs 211
Lighting 91
Lighting, speaker 95
Lighting via remote con‐ trol 34
Light switch 91
Load 177
Loading 177
Lock, door 35
Locking/unlocking from in‐ side 36
Locking/unlocking via door lock 35
Locking/unlocking with re‐ mote control 34
Locking, automatic 39
Locking, central 33
Locking, settings 39
Locking via trunk lid 37
Low beams 91
Low beams, automatic, refer to High-beam Assistant 93
Lower back support 52
Lumbar support 52
M
Maintenance 208
Maintenance require‐ ments 208
Maintenance, service require‐ ments 84
Maintenance system, BMW 208
Malfunction displays, refer to Check Control 80
Manual air distribution 158
Manual air flow 158
Manual brake, refer to Parking brake 67
Manual mode, transmis‐ sion 74
Manual operation, backup camera 145 Manual operation, door
lock 36
Manual operation, exterior mirrors 58
Manual operation, fuel filler flap 188
Manual operation, Park Dis‐ tance Control PDC 142
Manual operation, Side View 149
Manual operation, Top View 147
Marking on approved tires 200
Marking, run-flat tires 201
Massage seat, front 53
Master key, refer to Remote control 30
Maximum cooling 159
Maximum speed, display 85
Maximum speed, winter tires 200
Measure, units of 90
Medical kit 217
Memory for seat, mirrors, steering wheel 56
Menu, EfficientDynamics 182
Menu in instrument clus‐ ter 87
Menus, operating, iDrive 16
Menus, refer to iDrive operat‐ ing concept 17
Messages, refer to Check Control 80
Microfilter 160
Minimum tread, tires 199
Mirror 57
Mirror memory 56
Mobile communication devi‐ ces in the vehicle 175
Modifications, technical, refer to Safety 7
Moisture in headlamp 211
Monitor, refer to Control Dis‐ play 16 Mounting of child restraint fix‐
ing systems 60
Multifunctional instrument display 77
Multifunction steering wheel, buttons 12
N
Navigation, see user's manual for Navigation, Entertain‐
ment and Communication
Neck restraints, front, refer to Head restraints 55
Neutral cleaner, see wheel cleaner 224
New wheels and tires 199
Night Vision with pedestrian detection 112
No Passing Information 85
Nylon rope for tow-starting/ towing 220
O OBD Onboard Diagnosis 209
OBD, see OBD Onboard Di‐ agnosis 209
Obstacle marking, rearview camera 146
Octane rating, refer to Gaso‐ line quality 190
Odometer 83
Office, see user's manual for Navigation, Entertainment
and Communication
Oil 205
Oil, adding 206
Oil additives 206
Oil change 206
Oil change interval, service requirements 84
Oil filler neck 206
Oil types, alternative 206
Oil types, approved 206
Old batteries, disposal 214 Seite 237Everything from A to ZReference237
Online Edition for Part no. 01 40 2 910 721 - VI/13