BMW Z4 ROADSTER 2.5I 2004 E85 Owner's Manual

Reference
This chapter will help you find the desired
information as quickly as possible.
It contains the Technical data section as
well as the manual's index.

Technical data
100
Technical data
Engine data
Z4 2.5iZ4 3.0i
Displacement
Number of cylinderscu in/cmµ152.1/2,494
6181.7/2,979
6
Maximum power output
at engine speedhp/kW
rpm184/141
6,000225/170
5,900
Maximum torque
at engine speedlb ft/Nm
rpm181/245
3,500221/300
3,500
Compression ratioε10.5 10.2
Stroke
Borein/mm
in/mm2.95/75
3.31/843.53/89.6
3.31/84
Fuel-injection system Digital electronic engine-management system DME

Reference
At a glance
Controls
Driving tips
Mobility
101
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 the convertible top compartment raisedcu ft/l
cu ft/l8.5/240
9.2/2608.5/240
9.3/260
Never exceed either the approved axle loads or the approved gross vehicle weight.

Technical data
102
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
103
Capacities
Notes
Fuel tank
reserve gal./liters
gal./litersapprox. 14.5/55
approx. 2.1/8Fuel specifications:
page 74
Windshield washer system/
Headlamp washer systemquarts/liters
quarts/litersapprox. 3.2/3
approx. 5.3/5For details: page 83
Cooling system including heat-
ing circuit
with manual transm. or SMG
with automatic transmissionquarts/liters
quarts/liters8.8/8.3
9.3/8.8For details: page 84
Engine with oil filter renewal quarts/liters 6.9/6.5 For details: page 84
Manual transmission, SMG,
automatic transmission and
differential quarts/liters –Lifetime lubricant, no oil
change required

Everything from A to Z
104
A
ABS Antilock Brake
System 54
– indicator lamp 13
Accessories, refer to
– For your own safety 5
– Your individual vehicle 5
Accident, refer to
Emergency call 93
Activated-charcoal filter 63
Adaptive Transmission
Control ATC 40
Air, drying,
refer to Air conditioning
mode 59, 62
Airbags 56
– deactivation 33
– indicator lamp 13
– passenger airbags
indicator lamp 34
– reactivation 33
– safe seating position 27
Airbag switch 33
Air conditioning 58
Air conditioning mode
– air conditioning 59
– automatic climate
control 62
Air conditioning mode
switching on/off
manually 59, 62
Air distribution
– air conditioning 59
– automatic climate
control 62
Airing out, refer to
Ventilation 59, 63
Air outlets,
refer to Ventilation 59, 63
Air pressure, refer to Tire
inflation pressure 75
Air recirculation, refer to
Recirculated-air
mode 59, 63Air supply/blower
– air conditioning 59
– automatic climate
control 62
AKI, refer to Fuel
specifications 74
Alarm system
– avoiding unintentional
alarms 26
Antenna, refer to the
Caring for your vehicle
brochure
Antifreeze 83, 84
– coolant 84
– washing fluids 83
Antilock Brake System
ABS 54
– indicator lamp 13
Anti-theft alarm system,
refer to Alarm system 25
Anti-theft protection 25
Approved axle load, refer to
Weights 101
Approved engine oils 84
Approved gross vehicle
weight, refer to
Weights 101
Artificial leather, refer to the
Caring for your vehicle
brochure
Ashtray 65
Assistant systems, refer to
Dynamic Stability Control
DSC 52
ATC Adaptive Transmission
Control 40
AUC Automatic
recirculated-air
control 63Automatic
– air distribution 62
– air supply/blower 62
– cruise control 45
– headlamp control 46
– luggage compartment lid
operation 19
Automatic car wash, refer
to the Caring for your
vehicle brochure
Automatic climate
control 61
Automatic recirculated-air
control AUC 63
Automatic transmission
with Steptronic 39
– ignition 36
– indicator lamp 13
– interlock 36
– selector lever lock 39
– shiftlock 39
AUTO program,
refer to Automatic air
distribution 62
Average fuel
consumption 51
– setting units of
measure 50
Average speed 51
– setting units of
measure 50
Axle loads, refer to
Weights 101
B
Backrest, refer to Seat
adjustment 28
Backup lamps 38
– bulb replacement 90
Bandages, refer to First-aid
kit 94
Everything from A to Z
Index

Reference
At a glance
Controls
Driving tips
Mobility
105
Battery 91
– disposal 92
– indicator lamp 13, 91
– jump-starting 94
– remote control 17
Belts, refer to Safety
belts 30
Belt tensioner, refer to
Safety belts 30
Beverage holders 65
Blower
– air conditioning 59
– automatic climate
control 62
Blower, refer to Air
supply 59, 62
BMW 5
Bore, refer to Engine
data 100
Bottle holders, refer to
Beverage holders 65
Brake fluid 85
– filling 85
– indicator/warning
lamp 13, 85
– level 85
Brake force display 53
Brake hydraulic system 85
– indicator/warning
lamp 13, 69, 85
Brake lamps
– bulb replacement 90
– indicator lamp, defective
lamp 13
Brake pads 70
– break-in procedures 68
– indicator lamp 70
Brake pad wear indicator
– brake pads 70
– indicator lamp 13
Brake rotors
– brake system 69
– break-in procedures 68
Brakes 69
– ABS 54
– brake fluid 85
– break-in procedures 68
– indicator/warning
lamps 13, 52, 53, 54
– parking brake 38Brake system 69
– brake fluid level 85
– brake pads 70
– break-in procedures 68
– disc brakes 69
– indicator lamp 13
Breakdown
– Flat Tire Monitor 54
Break-in procedures 68
Bulb replacement, refer to
Lamps and bulbs 88
Buttons in steering
wheel 11
C
California Proposition
65 warning 87
Can holders, refer to
Beverage holders 65
Capacities 103
Car battery 91
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
Cargo loading
– vehicle 70
Car keys, refer to Keys 16
Carpet care, refer to the
Caring for your vehicle
brochure
Car radio, refer to Owner's
Manual for Radio
Car telephone, refer to
Owner's Manual for
Telephone
Car wash, refer to the
Caring for your vehicle
brochure
Catalytic converter, refer to
High temperatures 69
CD player operation, refer
to Owner's Manual
for Radio
Center high-mount brake
lamp
– bulb replacement 90Central locking system 16
– interior 18
Changing a wheel 91
Charge indicator
lamp 13, 91
Check Gas Cap
– indicator lamp 13
Child-restraint mounting
system, LATCH 35
Child-restraint systems 33
Child seat, refer to Child-
restraint systems 33
Chrome parts, refer to the
Caring for your vehicle
brochure
Cigarette lighter 65
Cigarette lighter socket 65
Cleaning the rear window,
refer to the Caring for
your vehicle brochure
Cleaning the vehicle, refer
to the Caring for your
vehicle brochure
Cleaning the windshield 44
Clock 49, 50
– 12- or 24-hour mode 50
– refer to Owner's Manual
for Radio/Onboard
Computer
– setting 49
Clothes hooks 25
Clutch
– break-in procedures 68
Cockpit 10
Cold start, refer to
Starting the engine 36
Compact disc operation,
refer to Owner's Manual
for Radio
Compartments 64
Compression ratio, refer to
Engine data 100
Computer 50
– clock, 12- or 24-hour
mode 50
– refer to Owner's Manual
for Onboard Computer
Computer, refer to
Onboard Computer 50
Condensation, refer to Air
conditioning mode 59, 62

Everything from A to Z
106 Condensation, removing
from windows
– air conditioning 60
– automatic climate
control 62
Configuring settings, refer
to Vehicle Memory,
Key Memory 31
Connecting a vacuum
cleaner, refer to Cigarette
lighter 65
Consumption, refer to
Average consumption 51
Consumption display, refer
to Fuel gauge 48
Control elements, refer to
Cockpit 10
Convenience operation
– convertible top 18
– from outside 18
– windows 18
Convertible top 21, 22
– care, refer to the Caring
for your vehicle brochure
– convenience operation 18
– electrical fault 23
– emergency closing 23
– fully automatic 22
– malfunction 23
– manual 21
Convertible top
compartment panel 20
Coolant 84
– indicator lamp 13
– level 84
– temperature 48
Coolant water, refer to
Coolant 84
Cooling, maximum 62
Cooling, refer to Air
conditioning mode 59, 62
Cooling system, refer to
Capacities 103
Cruise control 45
Cruising range 51
Cup holders, refer to
Beverage holders 65
Curb weight, refer to
Weights 101
Cylinders, refer to Engine
data 100
D
Data, technical 100
– capacities 103
– dimensions 102
– engine data 100
– weights 101
Daytime driving lamps 46
DBC Dynamic Brake
Control 53
– indicator lamp 13, 52
Defective bulb 46
Defrosting rear window
– air conditioning 59
– automatic climate
control 63
Defrosting windows 60, 62
– air conditioning 60
– automatic climate
control 62
Defrosting windows and
removing condensation
– air conditioning 60
– automatic climate
control 62
Defrosting windshield, refer
to Defrosting
windows 60, 62
Defrost position, refer to
Defrosting
windows 60, 62
Differential
– break-in procedures 68
Digital clock 49
Dimensions 102
Dimming mirror 31
Dipstick, engine oil 83
Directional indicators, refer
to Turn signal
indicators 43
Disc brakes 69
Displacement, refer to
Engine data 100
Display elements 12
Display lighting,
refer to Instrument
lighting 47
Displays, refer to
Instrument cluster 12Disposal
– oil 84
– vehicle battery 92
Distance remaining, refer to
Range 51
Door key 16
Door lock 18
Doors, unlocking and
locking
– from inside 18
– from outside 17, 18
DOT quality grades 77
Draft-free ventilation 59, 63
Driving Dynamic Control 42
Driving light, refer to
Parking lamps/Low
beams 46
Driving notes 69
– break-in procedures 68
– driving tips 69
Driving stability control 52
Dry air, refer to Air
conditioning mode 59, 62
DSC Dynamic Stability
Control 52
– indicator lamp 13, 52
DTC Dynamic Traction
Control 53
– indicator lamp 13, 52
Dynamic Brake Control
DBC 53
– indicator lamp 13, 52
Dynamic Stability Control
DSC 52
– indicator lamp 13, 52
Dynamic Traction Control
DTC 53
– indicator lamp 13, 52
E
Electrical fault
– automatic transmission
with Steptronic 40
– convertible top 23
– door lock 18
– driver's door 18
– fuel filler door 74
– luggage compartment
lid 19
– storage compartments 64

Reference
At a glance
Controls
Driving tips
Mobility
107
Electric Power Steering
EPS 43
– indicator lamp 13
Electric power windows 20
Electronic Stability
Program ESP, refer to
Dynamic Stability Control
DSC 52
Electronic transmission
control module 40
Emergency call 93
Emergency operation, refer
to Manual operation
– convertible top 23
– driver's door 18
– fuel filler door 74
– storage compartments 64
Engine 36
– break-in procedures 68
– data 100
– electronics 13
– indicator lamp 13
– speed 48
– starting 36
– switching off 37
Engine compartment 82
Engine coolant 84
Engine coolant
temperature gauge 48
Engine data 100
Engine oil 83
– alternative oils 84
– approved oils 84
– capacity 103
– indicator lamp 13
Engine oil level 83
– indicator lamp 13
Engine oil pressure 83
– indicator lamp 13
Engine oil sensor 83
– indicator lamp 13
Engine output, refer to
Engine data 100
Engine speed, refer to
Engine data 100
EPS Electric Power
Steering 43
Equipment range, see
Service and Warranty
Information Booklet for US models, Warranty and
Service Guide Booklet for
Canadian models
ESP Electronic Stability
Program, refer to
Dynamic Stability Control
DSC 52
Exhaust system, refer to
High temperatures 69
Exterior mirrors 31
– automatic dimming
feature 31
Eyelet, towing 96
F
False alarm, stopping
alarm 26
Fasten safety belts 30
– warning lamp 13, 30
Filter, refer to
– Microfilter 59
– Microfilter/activated-
charcoal filter 63
Fine wood, refer to the
Caring for your vehicle
brochure
First aid, refer to First-aid
kit 94
First-aid kit 94
Flat tire
– Flat Tire Monitor 54
– indicator/warning
lamp 13
Flat tire, refer to Tire
condition 78
Flat Tire Monitor 54
– indicator lamp 13, 55
– initializing 55
Flooding, refer to Driving
through water 69
Floor covers, carpets, refer
to the Caring for your
vehicle brochure
Floor mats, refer to the
Caring for your vehicle
brochure
Fluid reservoir
– washing systems 83
Fog lamps 47
– indicator lamp 13Follow me home lamps 46
Footbrake, refer to Driving
notes 69
Front airbags 56
Front turn signal indicators
– bulb replacement 90
Fuel
– average
consumption 51
– content, refer to
Capacities 103
– display 48
– preparation, refer to
Engine data 100
– quality 74
Fuel display, refer to Fuel
gauge 48
Fuel filler door 74
– unlocking in case of
electrical fault 74
Fuel gas cap 74
Fuel tank capacity, refer to
Capacities 103
Fuses 92
G
Gasoline, refer to Fuel
quality 74
Gasoline gauge, refer to
Fuel gauge 48
Gear indicator 40
Gear lever
– automatic transmission
with Steptronic 39
– manual transmission 38
Glove compartment 64
Gross weight, refer to
Weights 101
H
Handbrake, refer to Parking
brake 38
Hands-free microphone,
refer to Preparations for
the cellular phone 65
Hands-free system 65
Hardtop, refer to the
separate Owner's Manual
Hardtop preparation 71

Everything from A to Z
108 Hazard warning flashers 10
Headlamp cover, care,
refer to the Caring for
your vehicle brochure
Headlamp flasher 43
– indicator lamp 13
Headlamps
– bulb replacement 88
– care, refer to the Caring
for your vehicle brochure
– cleaning 44
Headlamps, automatic
control 46
Headlamp washer
reservoir 83
– content, refer to
Capacities 103
Headlamp washer
system
– cleaning the
headlamps 44
– washing fluids 83
Head restraints 28
Heated mirrors 31
Heated seats 30
Heating 58
– exterior mirrors 31
– rear window 59, 63
– seats 30
Heavy loads, refer to
Stowing cargo 70
Height, refer to
Dimensions 102
Height adjustment
– seats 28
– steering wheel 30
High beams 47
– bulb replacement 89
– headlamp flasher 43
– indicator lamp 13
High Performance
Synthetic Oil 84
– alternative oils 84
– approved oils 84
High temperatures 69
Holders for beverages 65
Hood 81
Horn 10
Hydraulic Brake Assistant,
refer to Dynamic Brake
Control DBC 52Hydraulics
– brakes 85
Hydroplaning 69
I
Ice warning 50
Identification mark
– Run Flat tires 80
Ignition 36
Ignition key 16
Ignition lock 36
Inclines 69
Index 104
Indicator/warning lamp
– airbags 57
– alarm system 26
– brakes 13
– coolant temperature 49
– DSC 52
– engine temperature 48
– Flat Tire Monitor 55
– fog lamps 47
– passenger airbags 34
– please fasten safety
belts 30
– reserve 48
Indicator and warning
lamps, overview 12
Individual air
distribution 59, 62
Individual settings, refer to
Vehicle Memory,
Key Memory 31
Inflation pressure, tires 75
Inflation pressure
monitoring, refer to Flat
Tire Monitor 54
INSPECTION 49
Instrument cluster 12
Instrument lighting 47
Instrument panel, refer to
Cockpit 10
Interior lamps 47
– remote control 17
Interior motion sensor 26
Interior rearview mirror 31
– automatic dimming
feature 31
Interior temperature
– adjusting 59, 62Interlock, refer to
Steering lock 36
Intermittent
– operation, wipers 44
Interval
– display, service 49
J
Jack 91
Jacking points 91
Jets, refer to
Ventilation 59, 63
Jump-starting 94
K
Key Memory 31
Keys 16
Key switch for passenger
airbags 33
Kickdown 39
Knock control 74
L
Lamps 46
Lamps and bulbs 88
LATCH, child-restraint
mounting system 35
Leather care, refer to the
Caring for your vehicle
brochure
Length, refer to
Dimensions 102
License plate lamps
– bulb replacement 91
Light-alloy wheels, care,
refer to the Caring for
your vehicle brochure
Lighter 65
Lighting
– of the instruments 47
Lighting of the instruments,
refer to Instrument
lighting 47
LIGHTS ON warning 46
Light switch 46
Loads, refer to Cargo
loading 70
Loads, securing 70