2005 BMW Z4 ROADSTER 2.5I Owner's Manual

Reference
At a glance
Controls
Driving tips
Mobility
103
Weights
Z4 2.5iZ4 3.0i
Curb weight
with manual transmission
with SMG
with automatic transmissionlbs/kg
lbs/kg
lbs/kg2,932/1,330
2,976/1,350
2,998/1,3602,998/1,360
3,020/1,370
3,042/1,380
Approved gross vehicle weight
with manual transmission
with SMG
with automatic transmissionlbs/kg
lbs/kg
lbs/kg3,483/1,580
3,527/1,600
3,549/1,6103,549/1,610
3,571/1,620
3,593/1,630
Load lbs/kg 551/250 551/250
Approved front axle load lbs/kg 1,720/780 1,742/790
Approved rear axle load lbs/kg 1,841/835 1,863/845
Luggage compartment capacity
with convertible top compartment panel raisedcu ft/l
cu ft/l8.5/240
9.2/2608.5/240
9.2/260
Never exceed either the approved axle loads or the approved gross vehicle weight.

Technical data
104
Dimensions
All measurements in inches/millimeters. Smallest turning circle dia. 32 ft 2 in/9.8 m.

Reference
At a glance
Controls
Driving tips
Mobility
105
Capacities
Notes
Fuel tank
reserve gal./liters
gal./litersapprox. 14.5/55
approx. 2.1/8Fuel specifications: page76
Windshield washer system/
Headlamp washer systemquarts/liters
quarts/litersapprox. 3.2/3
approx. 5.3/5For details: page86
Cooling system including heating
circuit
with manual transm. or SMG
with automatic transmissionquarts/liters
quarts/liters8.8/8.3
9.3/8.8For details: page87
Engine with oil filter renewal quarts/liters 6.9/6.5 For details: page87

Everything from A to Z
106
A
ABS Antilock Brake
System50
– indicator lamp13
Acceleration assistant42
Accessories, refer to
– For your own safety6
– Your individual vehicle5
Accident, refer to Emergency
call96
Acknowledgment signal for
vehicle locking/unlocking16
Activated-charcoal filter63
Adjusting the thigh support29
Air, drying,
refer to Air conditioning
mode59,62
Airbags53
– deactivation33
– indicator lamp12
– passenger airbags indicator
lamp34
– reactivation33
– safe seating position27
Airbag switch33
Air conditioning58
Air conditioning mode
– air conditioning59
– automatic climate control62
Air conditioning mode
switching on/off
manually59,62
Air distribution
– air conditioning59
– automatic climate control62
Airing out, refer to
Ventilation59,63
Air outlets,
refer to Ventilation59,63
Air pressure, refer to Tire
inflation pressure78Air recirculation, refer to
Recirculated air
mode59,62
Air supply/blower
– air conditioning59
– automatic climate control62
AKI, refer to Fuel
specifications76
Alarm system25
– avoiding unintentional
alarms26
All-season tires, refer to
Winter tires81
Antenna, refer to the
Caring for your vehicle
brochure
Antifreeze86,87
– coolant87
– washing fluids86
Antilock Brake System
ABS50
– indicator lamp13
Anti-theft alarm system, refer
to Alarm system25
Anti-theft protection16,25
Approved axle load, refer to
Weights103
Approved engine oils87
Approved gross vehicle
weight, refer to Weights103
Artificial leather, refer to the
Caring for your vehicle
brochure
Ashtray65
Assistant systems,
refer to Dynamic Stability
Control DSC50
AUC Automatic recirculated
air control62Automatic
– air distribution62
– air supply/blower62
– cruise control44
– headlamp control56
– luggage compartment lid
operation19
Automatically dimming
interior rearview mirror31
Automatic car wash, refer to
the Caring for your vehicle
brochure
Automatic climate control61
Automatic recirculated air
control AUC62
Automatic transmission with
Steptronic38
– ignition36
– indicator lamp13
– interlock36
– selector lever lock38
– shiftlock38
– towing the vehicle99
– tow-starting99
AUTO program,
refer to Automatic air
distribution62
Average fuel consumption49
– setting unit of measure48
Average speed49
– setting unit of measure48
Avoiding unintentional
alarms26
Axle loads, refer to
Weights103
B
Backrest, refer to Seat
adjustment28
Backup lamps38
– bulb replacement93
Everything from A to Z
Index

Reference
At a glance
Controls
Driving tips
Mobility
107
Bandages, refer to First-aid
kit97
Bar, towing99
Battery94
– charging95
– disposal95
– indicator lamp12,94
– jump-starting97
– power supply interruption95
– remote control16
Belts, refer to Safety belts30
Belt tensioner, refer to Safety
belts30
Beverage holders64
Blower
– air conditioning59
– automatic climate control62
Blower, refer to Air
supply59,62
BMW5
BMW Maintenance
System89
Bottle holders, refer to
Beverage holders64
Brake fluid88
– filling88
– indicator/warning
lamp13,88
– level88
Brake force display52
Brake hydraulic system88
– indicator/warning
lamp13,88
Brake lamps
– brake force display52
– bulb replacement93
– indicator lamp, defective
lamp13
Brake pads88
– break-in procedures68
– warning lamp88
Brake pad wear indicator
– brake pads88
– warning lamp13
Brake rotors
– brake system69
– break-in procedures68Brakes
– ABS50
– brake fluid88
– brake pads88
– break-in procedures68
– indicator/warning
lamps13,51
– parking brake37
Brake system
– brake fluid88
– brake pads88
– break-in procedures68
– disc brakes69
– indicator lamp13
Breakdown
– Flat Tire Monitor52
Breakdown service, refer to
Mobile Service96
Breaking in the differential,
refer to Engine and
differential68
Break-in procedures68
Bridging, refer to Jump-
starting97
Bulb replacement, refer to
Lamps and bulbs91
Buttons in the multifunction
steering wheel10
C
California laws
– Event Data Recorders90
– Proposition 65 warning6
Can holders, refer to Beverage
holders64
Capacities105
Capacity
– luggage compartment, refer
to Weights103
Car battery94
Car care, refer to the Caring
for your vehicle brochure
Car-care products, refer to the
Caring for your vehicle
brochure
Care, refer to the Caring for
your vehicle brochure
Car keys, refer to Keys16Carpet care, refer to the
Caring for your vehicle
brochure
Car radio, refer to the separate
Owner's Manual
Car telephone, refer to the
separate Owner's Manual
Car wash, refer to the Caring
for your vehicle brochure
Catalytic converter, refer to
Hot exhaust system69
CD changer, refer to Owner's
Manual for Radio/Onboard
Computer
CD operation, refer to Owner's
Manual for Radio/Onboard
Computer
Center high-mount brake
lamp, bulb replacement93
Central locking system16
– interior18
Changes, technical, refer to
For your own safety6
Changing a wheel94
– Run Flat tires94
Charge indicator lamp12,94
Check gas cap, indicator
lamp13
Child-restraint mounting
system, LATCH35
Child-restraint systems33
Child seat, refer to
Installing child-restraint
systems34
Chrome parts, refer to the
Caring for your vehicle
brochure
Cigarette lighter65
Cigarette lighter socket65
Cleaning the rear window,
refer to the Caring for your
vehicle brochure
Cleaning the vehicle, refer to
the Caring for your vehicle
brochure

Everything from A to Z
108 Clock47,48
– 12- or 24-hour mode48
– refer to Owner's Manual for
Radio/Onboard Computer
– setting47
Clothes hooks25
Clutch, break-in
procedures68
Cockpit10
Cold start, refer to
Starting the engine36
Compact disc operation, refer
to Owner's Manual for
Radio/Onboard Computer
Compartments64
Computer48
– clock, 12- or 24-hour
mode48
– refer to Owner's Manual for
Onboard Computer
Computer, refer to Onboard
Computer48
Condensation, refer to Air
conditioning mode59,62
Condensation, removing from
windows
– air conditioning60
– automatic climate control62
Configuring settings, refer to
Vehicle Memory,
Key Memory31
Connecting a vacuum cleaner,
refer to Power socket65
Consumption, refer to
Average consumption49
Consumption display, refer to
Fuel gauge46
Contents3
Control elements, refer to
Cockpit10
Controls, lighting, refer to
Instrument lighting57
Convenience operation
– convertible top18
– from outside18
– windows18Convertible top20,21
– care, refer to the Caring for
your vehicle brochure
– convenience operation18
– electrical fault23
– emergency closing23
– fully automatic21
– malfunction23
– manual20
– mechanical20
Convertible top compartment
panel19
Coolant87
– indicator lamp13
– level88
– thermometer46
Coolant water, refer to
Coolant87
Cooling
– maximum62
– refer to Air conditioning
mode59,62
Cooling system, refer to
Capacities105
Copyright2
Correct tires82
Cruise control44
Cruising range49
Cup holders, refer to
Beverage holders64
Curb weight, refer to
Weights103
Cylinders, refer to Engine
data102
D
Dashboard, refer to
Cockpit10
Data, technical102
– capacities105
– dimensions104
– engine data102
– weights103
Daytime driving lamps56
DBC Dynamic Brake
Control50
– warning lamp13,51
Defective bulb56Defrosting rear window
– air conditioning59
– automatic climate control63
Defrosting windows60,62
Defrosting windows and
removing condensation
– air conditioning60
– automatic climate control62
Defrosting windshield, refer to
Defrosting windows60,62
Defrost position, refer to
Defrosting windows60,62
Digital clock47
Dimensions104
Dimming mirrors70
Dipstick, engine oil86
Directional indicators, refer to
Turn signal indicators42
Disc brakes69
Displacement, refer to Engine
data102
Display elements12
Display lighting,
refer to Instrument
lighting57
Displays, refer to Instrument
cluster12
Disposal
– of engine oil87
– vehicle battery95
Distance remaining, refer to
Range49
Door key16
Door lock17
Doors, unlocking and locking
– from inside18
– from outside16,17
DOT quality grades80
Draft-free ventilation59,63
Driving Dynamic Control41
Driving light, refer to Parking
lamps/Low beams56
Driving notes68
– break-in procedures68
– driving tips68
Driving stability control50
Driving stability control
systems50

Reference
At a glance
Controls
Driving tips
Mobility
109
Dry air, refer to Air
conditioning mode59,62
DSC Dynamic Stability
Control50
– indicator lamp13,51
DTC Dynamic Traction
Control50
– indicator lamp13,51
Dynamic Brake Control
DBC50
– indicator lamp13
– warning lamp51
Dynamic Stability Control
DSC50
– indicator lamp13,51
Dynamic Traction Control
DTC50
– indicator lamp13,51
E
Electrical fault
– automatic transmission with
Steptronic39
– convertible top23
– door lock18
– driver's door18
– fuel filler door76
– luggage compartment lid18
– SMG41
– storage compartments64
Electric Power Steering
EPS42
– indicator lamp13,42
Electric power windows20
– power loss20
Electronic Stability Program
ESP, refer to
Dynamic Stability Control
DSC50
Electronic transmission
control module39
Emergency call96Emergency operation, refer to
Manual operation
– convertible top23
– doors18
– driver's door18
– fuel filler door76
– luggage compartment lid18
– storage compartments64
Emergency service, refer to
Mobile Service96
Engine36
– break-in procedures68
– data102
– electronics13
– indicator lamp13
– speed46
– starting36
– switching off37
Engine compartment85
Engine coolant87
Engine coolant temperature
gauge46
Engine data102
Engine oil86
– alternative oils87
– approved engine oils87
– capacity105
– indicator/warning lamp13
Engine oil level86
– indicator/warning lamp13
Engine oil pressure86
– indicator/warning lamp13
Engine oil sensor86
– indicator/warning lamp
13
Engine output, refer to Engine
data102
Engine speed, refer to Engine
data102
EPS Electric Power
Steering42
ESP Electronic Stability
Program, refer to Dynamic
Stability Control DSC50
Exhaust system, refer to Hot
exhaust system69
Exterior mirrors31
– automatic dimming
feature70
– folding in and out31Eyelets, towing and tow-
starting98
F
False alarm, refer to
– Avoiding unintentional
alarms26
– Stopping the alarm26
Fasten safety belts
– refer to Safety belts30
– warning lamp12,30
Fault
– automatic transmission39
– luggage compartment lid18
– SMG41
Filter, refer to
– Microfilter59
– Microfilter/activated-
charcoal filter63
Fine wood, refer to the
Caring for your vehicle
brochure
Finger guard system, power
windows20
First aid, refer to First-aid
kit97
First-aid kit97
Flat
– Run Flat tires82
Flat tire
– Flat Tire Monitor52
– indicator/warning lamp13
– Run Flat tires82
Flat tire, refer to
– Changing a wheel94
– Tire condition81
Flat Tire Monitor52
– indicator/warning
lamp13,53
– initializing52
– warning lamp53
Flat tire service, refer to
Mobile Service96
Floods, refer to Driving
through water69
Floor covers, carpets, refer to
the Caring for your vehicle
brochure

Everything from A to Z
110 Floor mats, refer to the Caring
for your vehicle brochure
Fluid reservoir, washer
systems86
Fog lamps57
– indicator lamp13
Follow me home lamps56
Footbrake, refer to Driving
notes69
Front airbags53
Fuel
– average
consumption49
– display46
– quality76
– volume, refer to
Capacities105
Fuel display, refer to Fuel
gauge46
Fuel filler door76
– unlocking in case of
electrical fault76
Fuel reserve indicator, refer to
Fuel gauge46
Fuel tank capacity, refer to
Capacities105
Fuses95
G
Gasoline, refer to Fuel
quality76
Gasoline gauge, refer to Fuel
gauge46
Gear indicator
– for automatic transmission
with Steptronic38
– for sequential manual
gearbox SMG40
Gear lever
– automatic transmission with
Steptronic38
– manual transmission38
– sequential manual gearbox
SMG40Gear shifts
– via automatic transmission
with Steptronic38
– via sequential manual
gearbox SMG41
Glove compartment64
Gross weight, refer to
Weights103
H
Handbrake, refer to Parking
brake37
Hands-free microphone,
refer to Preparations for the
cellular phone65
Hands-free system65
Hardtop, refer to the separate
Owner's Manual
Hardtop preparation72
Hazard warning flashers10
Headlamp cover, care, refer to
the Caring for your vehicle
brochure
Headlamp flasher42
– indicator lamp13
Headlamps
– bulb replacement91
– care, refer to the Caring for
your vehicle brochure
– cleaning43
Headlamps, automatic
control56
Headlamp washer
reservoir86
– volume, refer to
Capacities105
Headlamp washer
system
– cleaning the headlamps43
– washing fluids86
Head restraints28
Heated mirrors31
Heated seats30
Heating58
– exterior mirrors31
– rear window59,63
– seats30Heavy loads, refer to Stowing
cargo71
Height, refer to
Dimensions104
Height adjustment
– seats28
– steering wheel31
High beams57
– bulb replacement92
– headlamp flasher42
– indicator lamp13
High Performance
Synthetic Oil87
– alternative oils87
– approved oils87
Holders for beverages64
Hood84
Horn10
Hot exhaust system69
Hydraulic Brake Assistant,
refer to Dynamic Brake
Control DBC50
Hydraulics, brake88
Hydroplaning69
I
Ice warning48
Identification mark
– Run Flat tires82
– tire coding80
Ignition36
Ignition key16
Ignition lock36
Imprint2
Inclines69
Index106