Page 174 of 187
174n
Electrical system Drive belts Battery12V, 70 AhSpark plugsNGK BKR 6 EQUP
This spark ignition system meets all 
requirements of the Canadian Interfer-
ence-Causing Equipment Regulations 
(ICES-2).Generator Ð Water pump Ð 
Power steering
Drive belt 6 PK x 1538
A/C compressor
Drive belt 5 PK x 863You can obtain Original BMW 
parts and accessories, as well as 
professional advice from your BMW 
center.<  
         
        
        
     
        
        Page 179 of 187

Everything from A to Z
179n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Care of paintwork, refer to 
the "Caring for your 
vehicle" manual
Care of upholstery materials, 
refer to the "Caring for your 
vehicle" manual
Cargo loading94
Caring for the vehicle finish, 
refer to the "Caring for your 
vehicle" manual
Catalytic converter100
CBC (Cornering Brake 
Control)102
Cellular phone107
refer also to the separate 
Owner's Manual
Center (high-mount) brake 
lamp141
Central locking system32
Changing a wheel146t
Charge condition of the 
battery154t
Charging the battery154t
Chassis number127
Checking oil level123t
Checking tire 
pressure26t, 110
Child seat56
Child-restraint device56Child-restraint system56
installation57
Z3 coupe with tether 
strap57
Cigarette lighter92
Cleaning the headlamps66
Cleaning the rear 
window66
Cleaning the windshield65
Clock70
Cockpit16
Coin box91
Cold start59
Compartments90
Computer70
refer also to the "Owner's 
Manual for Onboard 
Computer"
Connecting a car vacuum 
cleaner92
Controls, cockpit16
Convertible top
electrical 
malfunction157t
manual operation157t
operation40, 44
weather protection44
Coolant105, 126Coolant temperature69
Coolant, antifreeze 
protection105
Copyright4
Cornering Brake Control 
(CBC)102
Cover, convertible 
top41, 46
Cruise control67
Cruising range72
Cup holder, refer to 
beverage holder91
Curb weight172
DDashboard16
Data link connector for 
Onboard Diagnostics133
Daytime driving lamps76
DBC (Dynamic Brake 
Control)103
Deep water99
Defrost windows and 
remove 
condensation83, 88
Defrosting
rear window66
mirrors51Difficult steering106t
Digital clock70
Dimensions171
Dipstick, engine oil123
Disc brakes103
Displacement170
Display lighting76
Displays18
Disposal
batteries154t
brake fluid127t
coolant125t
engine oil125t
Door key30
Doors
electrical 
malfunction32t
manual operation32t
operating with the remote 
control33
unlocking and locking32
DOT Quality Grades, 
tires111
Drive belts174
Driving notes99
Driving through water99 
         
        
        
     
        
        Page 182 of 187

Everything from A to ZMaster keys30
changing battery144
initializing144
replacements144
Mirrors50
adjusting51
defrosting51
Mobile phone107
refer also to the separate 
Owner's Manual
Modifications, 
technical6, 132
Multifunction switch64
M+S radial tires115NNet93
Non-smoker's equipment 
package92
Notes on driving99OOBD interface socket133
Odometer68
Oil
adding123t
additives123
consumption123
grades124Oil change intervals, refer to 
the Service and Warranty 
Information Booklet (US 
models) or the Warranty 
and Service Guide Booklet 
(Canadian models)
Oil dipstick123
Oil level, checking123t
Oil level, indicator lamp21
Oil pressure, indicator 
lamp20
OILSERVICE69
Old batteries154
Onboard computer70
refer to the "Owner's 
Manual for Onboard 
Computer"
Onboard Diagnostics, data 
link connector133
Onboard tool kit136t
Opening and closing
from the inside36
from the outside32
with the remote control33
Outside mirrors50
Outside temperature 
display71
PParking brake21, 60
Parking lamps76
Parking, winter106
Partition net93
Phone, mobile107
refer also to the separate 
Owner's Manual
Please wear your safety belt 
warning lamp21
Position lamps
bulb replacement138t
Power convertible top
electrical 
malfunction157t
manual operation157t
Power seat adjustment49
Power steering106
Pressures, tires26, 110
Pressure, tires110QQuality Grades, tires111
RRadiator, frost 
protection105
Radio reception166
Radio, refer to the separate 
Owner's Manual
Rapid heating83, 88
Reading lamps78
Rear lamps, bulb 
replacement139t
Rear window defroster66
Rear window washer, 
automatic65
Rear window wiper65
blade replacement136t
Rearview mirrors50
Recirculated air mode86
refer to spare wheel147t
Refueling25
Releasing the hood118t
Remote control33, 144
for computer70
Remove condensation from 
windows83
Replacement keys30
Replacement, 
tires111, 112 
         
        
        
     
        
        Page 183 of 187

Everything from A to Z
183n
IndexDataTechnologyRepairsMaintenanceControlsOverview
Replacing fuses156t
Replacing windshield wiper 
blades136t
Reporting safety defects7
Reservoir, washer 
system122t
Roll-up cover93
Roof load capacity172
Roof-mounted luggage 
rack95
Rubber seals and 
components, winter105SSafety belt tensioner166
Safety belts52
Safety defects, reporting7
Seals and components, 
winter105
Seat adjustment49
Seat heating89
Securing cargo94
Selector lever, automatic 
transmission62
Service and Warranty 
Information Booklet 
(US models)129Service Interval 
Display69, 128
Set temperature82, 86
Shiftlock62
Side airbags54, 130
Side marker lamps, bulb 
replacement139t
Sitting correctly with 
airbags55
Skid control106
Slippery roads105
Snow chains105t
Socket92
electrical appliances92
flashlight92
vacuum cleaner92
Spare keys30
Spare tire147t
Spare wheel147t
Spark plugs174
Special features of winter 
tires115
Special oils124
Specifications, engine170
Speed, average72
Speed control67
Starting assistance158tStarting problems
59, 100, 158
Starting the engine59
Steel wheel116
Steering106
Steering wheel lock58
Steptronic62
Storage boxes90
Storage compartments90
Storage trays90
Storing the vehicle130
Summer tires114
Sunroof39
Switching off the engine60
Symbols4, 153
TTachometer68
Tail lamp assembly, bulb 
replacement139t
Tail lamps139, 140
bulb replace-
ment139t, 140t
Tank capacity173
Technical Data169
Technical 
modifications6, 132Telephone
refer to the separate 
Owner's Manual
Temperature display
engine coolant69
outside temperature71
Temperature 
layering82, 87
Third brake lamp141
Tire change, refer to wheel 
change146t
Tire condition110
Tire failure, Z3 roadster, 
Z3 coupe146
Tire inflation pressures110
checking26t
Tire Quality Grading112
Tire replacement111, 112
Tire rotation between front 
and rear113
Tire size116
Tire tread110
Tires, identification114
Tools136t
Torque170
Tow fittings159t
Towing the vehicle159t