2006 BMW Z4 3.0I ROADSTER fuel consumption

Everything under control
48
Setting the clock
1.Press button 2 for several seconds until the
hours are displayed and the colon flashes.
2.Press button1 repeatedly until the required
hour is set.
3.Press button2 to switch to the minutes dis-
play.
4.Press button1 repeatedly until the required
minutes are set.
5.Press button2 to confirm the time.
The set time of day is transferred to the car
radio display or appears in the instrument clus-
ter display.
Computer*
To view the information on the instrument clus-
ter display, press the onboard computer button
BC in the turn signal lever.
Each time you tap the onboard computer but-
ton, the following information is shown in the
specified order:
>Time
>Outside temperature
>Average fuel consumption
>Cruising range>Average speed
With the ignition key in position 1 or higher, the
respective last active setting is displayed.
If you wish, you can have all the following
information displayed in another unit of
measure.<
Setting the time format
You can have the clock displayed in 12h or 24h
mode:
While the time display is active, press the
onboard computer button BC in the turn signal
lever until the display changes.
Changing unit of measure: °F/°C
While the outside temperature display is active,
press the onboard computer button BC in the
turn signal lever until the display changes.
Average fuel consumption
The average fuel consumption is calculated for
the time for which the engine has been running.
To reset the average fuel consumption display:
Press the onboard computer button BC in the
turn signal lever for approx. 2 seconds.
Cruising range
The computer bases its calculations of the
cruising range on the preceding driving style
and on the amount of fuel remaining in the tank.
Be sure to refuel as soon as possible once
your cruising range falls below 30 miles/
50 km, otherwise engine functions are not
ensured and damage can occur.<
Average speed
The average speed is calculated for the time for
which the engine has been running.
To reset the average speed display:
Press the onboard computer button BC in the
turn signal lever for approx. 2 seconds.

Reference
At a glance
Controls
Driving tips
Mobility
87
Important parts in the engine compartment
1Washer fluid reservoir for headlamp clean-
ing system and window washer system,
refer to page44
2Filler neck for engine oil, refer to Adding
engine oil3Jump-starting connection, refer to page99
4Reservoir for brake fluid, refer to page90
5Body ground, negative terminal, refer to
page100
6Expansion tank for coolant, refer to page89
Engine oil
Oil consumption is directly influenced by your
driving style and vehicle operating conditions.
Warning lamp
Engine oil pressure
The warning lamp lights up in red:
The engine oil pressure is too low.
Stop the vehicle immediately and
switch off the engine. Check the engine oil level
and top up if necessary. If the oil level is correct,
please contact your nearest BMW Center or a
workshop that works according to BMW repair
procedures with correspondingly trained per-
sonnel.Do not continue driving, otherwise the
engine could sustain serious damage
from inadequate lubrication.<
Engine oil level
The warning lamp lights up in yellow
while you are driving. In addition, a sig-
nal sounds and "+1.0" appears in the
instrument cluster, refer to page88.
The oil level is at the absolute minimum; refill as
soon as possible. Do not drive more than
125 miles/200 km before refilling.
The warning lamp comes on in yellow
after the engine is switched off. A signal
also sounds.
Add engine oil at the earliest opportunity, e.g.
when you stop to refuel.

Everything from A to Z
112
Everything from A to Z
Index
A
ABS Antilock Brake
System49
– indicator lamp12
Accident, refer to Emergency
call98
Acknowledgment signal for
locking/unlocking vehicle19
Activated-charcoal filter for
automatic climate control63
Additives
– coolant89
– engine oil89
Adjusting
– seats30
Adjusting the thigh support32
Airbags52
– deactivating36
– indicator/warning lamp13
– passenger airbags indicator
lamp36
– reactivation36
– safe seating position30
Airbag switch, refer to Key
switch for passenger
airbags35
Air conditioning58
Air-conditioning operation,
refer to Cooling
function59,62
Air distribution
– air conditioning59
– automatic climate control62
– individual59,62
Air flow rate
– air conditioning59
– automatic climate control62
Airing out, refer to
Ventilation59,63
Air outlets, refer to
Ventilation59,63Air pressure, refer to Tire
inflation pressure80
Air recirculation, refer to
Recirculated-air
mode59,63
AKI, refer to Fuel
specifications79
Alarm system23
– avoiding unintentional
alarms24
– interior motion sensor24
– switching off an alarm24
– tilt alarm sensor24
All-season tires, refer to
Winter tires83,85
Ambient air, refer to
Recirculated-air
mode59,63
Ambient temperature
display46
Antenna, refer to the Caring
for your vehicle brochure
Antifreeze44,89
– coolant89
– washer fluids44
Antilock Brake System
ABS49
– indicator/warning lamp12
– indicator lamp13
Anti-theft alarm system, refer
to Alarm system23
Anti-theft protection19,23
Approved engine oils89
Artificial leather, refer to the
Caring for your vehicle
brochure
Ashtray65
Assistance systems, refer to
Driving stability control
systems49
AUC Automatic recirculated-
air control63Automatic
– air distribution62
– air flow rate62
– cruise control44
– headlamp control55
– luggage compartment lid
operation22
– recirculated-air control
AUC63
– tailgate operation21
Automatic car wash, refer to
the Caring for your vehicle
brochure
Automatic climate control61
Automatic convertible top27
Automatic lamps55
Automatic transmission with
Steptronic40
– indicator lamp13
– interlock38,40
– selector lever41
– selector lever lock40
– shiftlock40
– shift paddles on steering
wheel41
– towing the vehicle101
– tow-starting101
AUTO program for automatic
climate control62
Average fuel consumption48
– setting unit of measure48
Average speed48
– setting unit of measure48
Avoiding unintentional
alarms24
Axle loads, refer to
Weights109
B
Backrests, refer to Seat
adjustment31

Everything from A to Z
114 Changes, technical, refer to
For your own safety5
Changing a wheel96
– Run-Flat Tires96
Charge indicator lamp12,97
Check gas cap, indicator
lamp13
Child-restraint mounting
system, LATCH37
Child-restraint systems36
Child seat, refer to Installing
child-restraint systems36
Chrome parts, refer to the
Caring for your vehicle
brochure
Cigarette lighter65
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 windows
– automatically, refer to Rain
sensor43
– reservoir capacity110
– spray nozzles44
– washer/wiper system43
– washer fluid44
– washer fluid reservoir44
Clock47
– 12h/24h mode48
– onboard computer48
– setting48
– setting, refer also to Owner's
Manual for Radio/Onboard
Computer
Clothes hooks66
Cockpit10
Cold start, refer to Starting the
engine38
Comfort area, refer to Around
the center console14
Compact disc operation, refer
to Owner's Manual for
Radio/Onboard ComputerComputer48
– button BC48
– clock, 12h/24h mode48
– refer to Owner's Manual for
Onboard Computer
Computer, refer to the
separate Owner's Manual
Condensation, refer to When
the vehicle is parked72
Condensation, removing from
windows
– air conditioning59
– automatic climate control62
Configuring settings, refer to
Vehicle Memory, Key
Memory18
Connecting vacuum cleaner,
refer to Connecting
electrical appliances67
Consumption, refer to
Average fuel
consumption48
Consumption display, refer to
Fuel gauge46
Controls, refer to Cockpit10
Convenience operation
– convertible top20
– from outside20
– windows20
Convertible top26,27
– care, refer to the Caring for
your vehicle brochure
– convenience operation20
– electrical fault28
– emergency closing28
– fully automatic27
– malfunction28
– manual26
– mechanical26
Convertible top compartment
panel23
Coolant89
– checking level89
– indicator lamp13
– thermometer47
Coolant water, refer to
Coolant89Cooling
– maximum62
– refer to Switching cooling
function on/off59,62
Cooling fluid, refer to
Coolant89
Cooling function
– air conditioning59
– automatic climate control62
Cooling system, refer to
Capacities110
Copyright2
Correct tires84
Cruise control44
Cruising range48
Cup holders, refer to
Beverage holders65
Curb weight, refer to
Weights109
Cylinders, refer to Engine
data106D
Dashboard, refer to
Cockpit10
Dashboard lighting, refer to
Instrument lighting56
Data, technical
– capacities110
– dimensions107,108
– engine106
– measurements107,108
– weights109
Daytime running light55
DBC Dynamic Brake
Control49
– indicator/warning lamp13
Deadlocking, refer to
Locking19
Defective bulb55
Defrosting, windows59,62
Defrosting the windshield,
refer to Defrosting
windows59,62
Defrosting windows and
removing condensation
– air conditioning59
– automatic climate control62

Everything from A to Z
116 Exterior mirrors34
– adjusting34
– automatic dimming
feature71
– automatic heating34
– folding in and out34
Eyeglasses compartment65
Eyes, tow-starting and towing
away100
F
False alarm
– refer to Avoiding
unintentional alarms24
– refer to Switching off an
alarm24
Fasten safety belts, refer to
Safety belts33
Filter
– refer to Microfilter60
– refer to Microfilter/activated-
charcoal filter63
Fine wood, refer to the Caring
for your vehicle brochure
First aid, refer to First-aid
kit99
First-aid kit99
Flat
– Run-Flat Tires84
Flat tire51
– Flat Tire Monitor51
– indicator/warning lamp13
– refer to Changing a wheel96
– refer to Tire condition83
– Run-Flat Tires84
Flat Tire Monitor FTM51
– indicator/warning lamp51
– initializing the system51
– snow chains85
– system limits51
Flat tire service, refer to
Roadside Assistance98
Floods, refer to Driving
through water71
Floor covers, carpets, refer to
the Caring for your vehicle
brochureFloor mats, refer to the Caring
for your vehicle brochure
Fog lamps56
– indicator lamp13
Footbrake, refer to Braking
safely71
For your own safety5
Front airbags52
FTM, refer to Flat Tire
Monitor51
Fuel
– average consumption48
– capacity, refer to
Capacities110
– display46
– quality79
– tank capacity79
Fuel display, refer to Fuel
gauge46
Fuel filler flap, refer to Gas
cap78
Fuel level
– refer to Fuel tank capacity79
Fuel tank capacity, refer to
Capacities110
Fully automatic convertible
top27
Fuses97
G
Gas cap78
Gasoline, refer to Fuel
specifications79
Gasoline gauge, refer to Fuel
gauge46
Gear indicator, automatic
transmission with
Steptronic40
Gear lever
– automatic transmission with
Steptronic40
– manual transmission40
Gearshifts
– automatic transmission with
Steptronic40
– manual transmission40
Glove compartment64Gross weight, refer to
Weights109
H
Halogen lamps
– replacing bulbs94
Handbrake, refer to Parking
brake39
Hands-free microphone67
Hardtop, refer to the separate
Owner's Manual
Hardtop preparation73
Hazard warning flashers14
Headlamp control,
automatic55
Headlamp flasher42
– indicator lamp12
Headlamps
– bulb replacement94
– care, refer to the Caring for
your vehicle brochure
– cleaning43
– cleaning system, washer
fluid44
– cover94
– glass, care, refer to the
Caring for your vehicle
brochure
– washer reservoir, refer to
Washer fluid reservoir44
– washer reservoir volume,
refer to Capacities110
Head restraints32
– safe seating position30
Heated
– rear window59,63
– seats33
Heated mirrors34
Heating
– mirrors34
– rear window59,63
– seats33
Heavy loads, refer to Cargo
loading72
Height, refer to
Dimensions107,108

Everything from A to Z
122 Transmission
– automatic transmission with
Steptronic40
– manual transmission40
Transmission detent, refer to
Range selection40
Transmission malfunction,
refer to Malfunction41
Transporting children
safely35
Transport securing device,
refer to Cargo loading73
Tread depth, refer to Minimum
tread depth83
Trip distance recorder, refer to
Trip odometer46
Triple turn signal42
Trip meter, refer to Trip
odometer46
Trip odometer46
Trunk, refer to Cargo bay23
Turning circle, refer to
Dimensions107,108
Turn signal indicators42
– bulb replacement95
– indicator lamp12,13
Turn signals
– triple turn signal42
TV function, refer to Owner's
Manual for Onboard
Computer
Tying down loads, refer to
Cargo loading73
U
Undercoating, refer to the
Caring for your vehicle
brochure
Units
– average consumption48
– average speed48
– temperature48
– time48
Units of measure
– outside temperature
display48
– time format48Unlatching, refer to
Unlocking19
Unlocking
– from inside21
– from outside19
– luggage compartment
lid19,22
– tailgate19,21
Used batteries, refer to
Battery disposal97
V
Vehicle
– battery97
– break-in period70
– care, refer to the Caring for
your vehicle brochure
– cargo loading72
– car wash, refer to the Caring
for your vehicle brochure
– dimensions, refer to
Dimensions107,108
– engine39
– leaving the vehicle39
– parked72
– placing in storage, refer to
the Caring for your vehicle
brochure
– weight109
Vehicle Memory18
Ventilation59,63
– air conditioning59
– automatic climate control63
Vents, refer to
Ventilation59,63
Volume
– fuel tank, refer to
Capacities110
W
Warning and indicator
lamps12
Warning triangle99
Warranty, refer to Service and
Warranty Information
Booklet for US models, Warranty and Service Guide
Booklet for Canadian
models91
Warranty and service6
Washer/wiper system43
Washer fluid reservoir44
Washer fluids44
Washer reservoir, refer to
Washer fluid reservoir44
Washing systems44
Waste tray, refer to Ashtray65
Water on roads, refer to
Driving through water71
Wear indicator in tires, refer to
Minimum tread depth83
Weights109
Wheel/tire combination, refer
to Correct wheels and
tires84
Wheel/tire combinations84
Wheelbase, refer to
Dimensions107,108
Wheels and tires80
Width, refer to
Dimensions107,108
Wind deflector66
Window defrosting, refer to
Defrosting windows
– automatic climate control62
– heating and ventilation59
Windows25
– convenience operation20
– opening/closing25
– pinch protection system25
Windshield
– cleaning43
– defrosting and removing
condensation59,62
Windshield wipers
– blades, care, refer to the
Caring for your vehicle
brochure
– changing blades93
– refer to Washer/wiper
system43