maintenance BMW Z4 ROADSTER 2006 E85 Owner's Manual

Z4 3.0i
Z4 3.0siOwner's Manual for Vehicle
Congratulations, and thank you for choosing a BMW.
Thorough familiarity with your vehicle will provide you with
enhanced control and security when you drive it. We therefore
have this request:
Please take the time to read this Owner's Manual and familiarize
yourself with the information that we have compiled for you
before starting off in your new vehicle. It contains important data
and instructions intended to assist you in gaining maximum use
and satisfaction from your BMW's unique range of technical fea-
tures. The manual also contains information on maintenance
designed to enhance operating safety and contribute to main-
taining the value of your BMW throughout an extended service
life.
This manual is supplemented by a Service and Warranty Informa-
tion Booklet for US models or a Warranty and Service Guide
Booklet for Canadian models.
We wish you an enjoyable driving experience.
BMW AG

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Contents
The fastest way to find information on special
topics is by using the index starting on
page112.
Using this Owner's Manual
4Notes
7Reporting safety defects
At a glance
10Cockpit
Controls
18Opening and closing
30Adjustments
35Transporting children safely
38Driving
46Everything under control
49Technology for driving comfort and
safety
55Lamps
58Climate
64Practical interior accessories
Driving tips
70Special operating instructions
Mobility
78Refueling
80Wheels and tires
86Under the hood
91Maintenance
93Replacing components
98Giving and receiving assistance
Reference
106Technical data
112Everything from A to Z

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5
Your individual vehicle
When you ordered your BMW, you chose vari-
ous items of equipment. This Owner's Manual
describes all models and equipment that BMW
offers within the same group.
We hope you will understand that equipment
and features are included which you might not
have chosen for your vehicle. Any differences
can easily be identified since all optional acces-
sories and special equipment are marked with
an asterisk
*.
If your BMW features equipment not described
in this Owner's Manual, please observe the
enclosed supplementary Owner's Manuals.
Status at time of printing
BMW pursues a policy of continuous, ongoing
development that is conceived to ensure that
our vehicles continue to embody the highest
quality and safety standards combined with
advanced, state-of-the-art technology. In
exceptional cases, the features described in
this Owner's Manual could therefore differ from
those on your vehicle.
For your own safety
Maintenance and repair
Advanced technology, e.g. the use of
modern materials and powerful electron-
ics, requires specially adapted maintenance
and repair methods. You should therefore have
the corresponding work on your vehicle per-
formed only by your BMW Center or at a work-
shop that works according to BMW repair pro-
cedures with correspondingly trained
personnel. If this work is not carried out prop-
erly, there is a danger of subsequent damage
and related safety hazards.<
California Proposition 65 warning
California laws require us to state the following
warning:
Engine exhaust and a wide variety of
automobile components and parts,
including components found in the interior fur-
nishings in a vehicle, contain or emit chemicals
known to the State of California to cause cancer
and birth defects and reproductive harm. In
addition, certain fluids contained in vehicles and
certain products of component wear contain or
emit chemicals known to the State of CA to
cause cancer and birth defects or other repro-
ductive harm.
Battery posts, terminals and related accesso-
ries contain lead and lead compounds. Wash
your hands after handling.
Used engine oil contains chemicals that have
caused cancer in laboratory animals. Always
protect your skin by washing thoroughly with
soap and water.<

Notes
6
Parts and accessories
For your own safety, use genuine parts
and accessories approved by BMW.
When you purchase accessories tested and
approved by BMW and Original BMW Parts, you
simultaneously acquire the assurance that they
have been thoroughly tested by BMW to ensure
optimum performance when installed on your
vehicle.
BMW warrants these parts to be free from
defects in material and workmanship.
BMW will not accept any liability for damage
resulting from installation of parts and accesso-
ries not approved by BMW.
BMW cannot test every product made by other
manufacturers to verify if it can be used on a
BMW safely and without risk to either the vehi-
cle, its operation, or its occupants.
Original BMW Parts, BMW Accessories and
other products approved by BMW, together
with professional advice on using these items,
are available from all BMW Centers.
Installation and operation of non-BMW
approved accessories such as alarms, radios,
amplifiers, radar detectors, wheels, suspension
components, brake dust shields, telephones,
including operation of any mobile phone from
within the vehicle without using an externally
mounted antenna, or transceiver equipment, for
instance, CBs, walkie-talkie, ham radio or simi-
lar accessories, may cause extensive damage
to the vehicle, compromise its safety, interfere
with the vehicle’s electrical system or affect the
validity of the BMW Limited Warranty. See your
BMW Center for additional information.<
Maintenance, replacement or repair of
the emission control devices and sys-
tems may be performed by any automotive
repair establishment or individual using any cer-
tified automotive part.<
Service and warranty
We recommend that you read this publication
thoroughly.
Your BMW is covered by the following warran-
ties:
>New Vehicle Limited Warranty
>Rust Perforation Limited Warranty
>Federal Emissions System Defect Warranty
>Federal Emissions Performance Warranty
>California Emission Control System Limited
Warranty
Detailed information about these warranties is
listed in the Service and Warranty Information
Booklet for US models or in the Warranty and
Service Guide Booklet for Canadian models.

Climate
60
Microfilter
The microfilter removes dust and pollen from
the incoming air. Your BMW Center replaces
this filter during regular maintenance. A sub-
stantial reduction in air flow indicates that the
filter needs to be replaced earlier.

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automatic climate control does not have
enough time to achieve the set temperature.<
AUC Automatic recirculated-air
control/Recirculated-air mode
Switch on the desired operating
mode by pressing this button repeat-
edly:
>LEDs off: outside air flows in continuously.
>Left-hand LED on, AUC mode: a sensor
detects pollutants in the outside air. If nec-
essary, the system blocks the supply of out-
side air and recirculates the inside air. As
soon as the concentration of pollutants in
the outside air has decreased sufficiently,
the system automatically switches back to
outside air supply.
>Right-hand LED on, recirculated-air mode:
the inflow of outside air is shut off perma-
nently. The system recirculates the air
within the vehicle.
If the windows fog over in the recircu-
lated-air mode, you should switch it off
and, if necessary, increase the air flow rate.
The recirculated-air mode should not be used
over an extended period of time, otherwise the
air quality inside the car will deteriorate contin-
uously.<
Rear window defroster
The defroster switches off automati-
cally after a certain time.
Ventilation
1Knurled wheels to set any vent position
from fully open to closed
2Slide for adjusting air flow direction
Ventilation for cooling
Adjust the vent outlets to direct the flow of cool
air toward you, for instance if it has become too
hot in the car.
Draft-free ventilation
Set the vent outlets so that the air flows past
you and not straight at you.
Microfilter/activated-charcoal filter
The microfilter removes dust and pollen from
the incoming air. The activated-charcoal filter
provides additional protection by filtering gas-
eous pollutants from the outside air. Your BMW
Center replaces this combined filter during reg-
ular maintenance. A substantial reduction in air
flow indicates that the filter needs to be
replaced earlier.

Mobility
This section helps you maintain your car's
mobility by supplying important information
on vital topics including fuels and lubricants,
wheels and tires, service, maintenance and
breakdown assistance.
Mobility

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The fuel tank is full when the filler nozzle shuts
off the first time.
Fuel tank capacity
Approx. 14.5 US gallons/55 liters, including the
reserve capacity of approx. 2.1 US gallons/
8liters.
Do not drive until the fuel tank is empty.
Otherwise, the engine may not operate
properly and damage could result.<
Fuel specifications
Do not fill the tank with leaded fuel, as this
would cause permanent damage to the
catalytic converter.<
Required fuel
Super Premium Gasoline/AKI 91
This gasoline is highly recommended. How-
ever, you may also use gasoline with less AKI.
The minimum AKI Rating is 87.
If you use gasoline with this minimum AKI Rat-
ing, the engine may produce knocking sounds
when starting at high outside temperatures.
This has no effect on the engine life.
Use high-quality brands
Field experience has indicated significant dif-
ferences in fuel quality: volatility, composition,
additives, etc., among gasolines offered for sale
in the United States and Canada. Fuels contain-
ing up to and including 10 % ethanol or other
oxygenates with up to 2.8 % oxygen by weight,
that is, 15 % MTBE or 3 % methanol plus an
equivalent amount of co-solvent, will not void
the applicable warranties with respect to
defects in materials or workmanship.
The use of poor-quality fuels may result in
drivability, starting and stalling problems
especially under certain environmental condi-
tions such as high ambient temperature and
high altitude.
Should you encounter driveability problems
which you suspect could be related to the fuel you are using, we recommend that you respond
by switching to a recognized high-quality brand
such as gasoline that is advertised as Top Tier
Detergent Gasoline.
Failure to comply with these recommendations
may also result in unscheduled maintenance.<

Wheels and tires
80
Wheels and tires
Tire inflation pressure
Information for your safety
It is not merely the tire's service life, but also
driving safety and driving comfort that largely
depend on the condition of the tires and the
maintenance of the specified tire pressure.
Check tire inflation pressures regularly
and correct them if necessary: at least
every two weeks and before every extended
journey. If you fail to observe this precaution
you may be driving on tires with incorrect tire
pressures, a condition that can not only com-
promise your vehicle's driving stability, but also
lead to tire damage and the risk of an accident.
Do not drive with deflated, i.e. flat tires, except
when using Run-Flat Tires. A flat tire will seri-
ously impair your vehicle's handling and braking
response. Attempts to drive on a flat tire can
lead to loss of control over the vehicle.<
Checking pressure
Check the tire inflation pressures only when the
tires are cold. This means after a maximum of
1.25 miles/2 km driving or when the vehicle has
been parked for at least 2 hours. Warm tires
have higher inflation pressures.
Inflation pressure specifications
The specified inflation pressures for your stan-
dard tires are provided on the placard on the
B-pillar and are visible when the driver's door is
open.Reinitialize the Flat Tire Monitor after cor-
recting the tire inflation pressure. Refer to
page51.<
The following tire inflation pressure tables show
the inflation pressures for the specified tire
sizes at ambient temperature.
The inflation pressures in the table apply
to BMW-approved tire sizes and recom-
mended tire brands. Your BMW Center will be
glad to supply this information.<
To determine the correct tire inflation pressure
for your tires, refer to the following tables.
Tire size
The inflation pressures in the table apply to
BMW-approved tire sizes and recommended
tire brands. Your BMW Center will be glad to
supply this information.

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Maintenance
BMW Maintenance System
The BMW Maintenance System helps maintain
the road safety and operating reliability of your
BMW.
Regular maintenance is not only necessary for
the safety of your vehicle, but also plays a sig-
nificant role in maintaining the resale value of
your vehicle.
Service interval display
The BMW Maintenance System takes the vehi-
cle's operating conditions into account for the
service intervals:
From a maintenance point of view,
62,100 miles/100,000 km accumulated in
short-distance urban driving are not the same
as 62,100 miles/100,000 km accumulated at
moderate cruising speeds in long-distance
highway travel.
The BMW Maintenance System includes the
Engine Oil Service and Inspections I and II.
Determining the maintenance intervals based
on the actual loads on the vehicle covers every
kind of operating situation. Minimal use drivers,
who drive fewer than about 6,210 miles/
10,000 km per year, should nevertheless have
the oil changed at least every 2 years since
engine oil deteriorates over time, regardless of
use.
Service and Warranty Information
Booklet for US models and Warranty
and Service Guide Booklet for
Canadian models
Please consult your Service and Warranty Infor-
mation Booklet for US models and Warranty
and Service Guide Booklet for Canadian models
for additional information on service require-
ments.
BMW recommends that you have service
and repair operations performed at your
BMW Center.
Take the time to ensure that these service pro-
cedures are confirmed by entries in your vehi-
cle’s Service and Warranty Information Booklet
for US models and Warranty and Service Guide
Booklet for Canadian models. These entries
verify that your vehicle has received the speci-
fied regular maintenance.<
Socket for On-Board
Diagnosis OBD
Vehicle components that are relevant to the
composition of exhaust emissions can be
checked with a device via the OBD socket.
This socket is located on the driver's side to the
left, on the bottom of the instrument panel
underneath a cover.