ESP BMW Z4 ROADSTER 3.0I 2005 E85 Owner's Guide

Wheels and tires
82
Run Flat tires fitted
Run Flat tires are labeled on the sidewall with a
circular symbol containing the letters RSC.
Run Flat tires consist of self-supporting tires
and special rims. The tire reinforcement
ensures that driving remains possible to a
restricted degree in the event of pressure drop
or even if the tire is deflated.
Wheel and tire replacement
Have new wheels and tires mounted only
by a BMW center or specialized tire shop
that works according to BMW requirements
with the appropriately trained personnel. Work
that is improperly carried out could result in
consequential damage and pose safety haz-
ards. Make sure that the new wheels are bal-
anced.<
BMW advises against using retreaded
tires, since driving safety may be
impaired. This is due to possible variations in
casing structures and, in some cases, to their
extreme age, factors which can lead to a
decrease in their durability.<
The correct wheels and tires
BMW recommends using only wheels
and tires that have been approved by
BMW for your particular vehicle model, as oth-
erwise body contact and serious accidents can
result despite the use of the same nominal size,
e.g. due to manufacturing tolerances. If non-
approved wheels and tires are used, BMW can-
not evaluate their suitability, and therefore can-
not be held liable for driving safety. mation about the correct wheel and tire combi-
nations for your vehicle.
The correct wheel and tire combination also
affects other systems which would otherwise
be impaired, for example ABS or DSC.
To maintain good handling and vehicle
response, use only tires of a single brand and
tread configuration. In the event of a flat tire,
remount the previous wheel and tire combina-
tion as soon as possible.
Recommended tire brands
BMW tests certain tire brands for each tire size,
classifies them as road-safe and approves
them. You can best find out about these at a
specialized shop, particularly your BMW center.
Observe any country-specific regulations, e.g.
on making a corresponding entry in the vehicle
documents.
The factory-approved radial-ply tires are
matched to your vehicle and have been
selected to provide optimum safety and driving
comfort when used properly.
Run Flat tires
When mounting new tires or replacing summer
tires with winter tires, or vice versa, use Run Flat
tires since no spare wheel is available in the
event of a flat. Your BMW center will be glad to
provide you with more information.
For safety reasons, BMW recommends to
have Run Flat tires replaced, not repaired,
if they are damaged.<
Special characteristics of winter tires
BMW recommends the use of winter tires for
operation under winter road conditions. While
all-season tires with M+S designation provide
better winter traction than summer tires, they
generally do not achieve the full performance of
winter tires.
Observing speed ratings
Never exceed the maximum speed for
which the winter tires are rated. Unpro-
fessional attempts by laymen to service tires

Reference
At a glance
Controls
Driving tips
Mobility
87
6.Return the dipstick to the guide tube,
inserting it as far as it will go.
As with fuel economy, oil consumption is
directly influenced by your driving style and
vehicle operating conditions.
The oil volume between the two marks on the
dipstick corresponds to approx. 1.1 quarts/
1 liter.
Do not fill beyond the upper mark on the
dipstick. Excess oil will damage the
engine.<
Adding engine oil
Do not add oil until the oil level has dropped
almost to the lower mark on the dipstick, refer to
page86.
Add oil within the next 30 miles/50 km,
otherwise the engine could be dam-
aged.<
Continuous exposure to used oil has
caused cancer in laboratory tests. For this
reason, thoroughly wash any areas of skin that
come into contact with oil using soap and water.
Always store oils, grease and similar materials
so that they are inaccessible to children. Com-
ply with warning labels and the information on
the containers.<
Comply with the applicable environmen-
tal laws regulating the disposal of used
oil.<
Oil change
Have your oil changed only by a BMW center or
a workshop that works according to BMW
requirements with the appropriately trained
personnel.
Approved engine oils
The quality of the engine oil is extremely impor-
tant for the function and life of an engine. Based
on extensive testing, BMW has approved cer-
tain grades of engine oil.
Use approved High Performance Synthetic Oil.
If you are unable to obtain an approved High
Performance Synthetic Oil, you may use small
volumes of other synthetic oils for topping up
between oil changes. Use only oils with the
specification API SH or higher.
Ask your BMW center for details concern-
ing the specific High Performance Syn-
thetic Oil or synthetic oils that have been
approved.<
You can also call BMW of North America toll-
free at 1-800-831-1117 or visit this website:
www.bmwusa.com to obtain this information.
BMW engines are designed to operate
without oil additives; the use of additives
could even lead to damage in some cases.<
Coolant
Warning lamp
The warning lamp lights up:
The coolant level is too low. Top up the
coolant as soon as possible.
Do not open the cooling system when the
engine is hot. If you do, escaping coolant
can cause burns.<
Coolant consists of water and coolant additives.
Not all commercially available additives are suit-
able for your BMW. Your BMW center knows
which additives are appropriate.
Use only approved additives, as the
engine could otherwise be damaged. The
additives are hazardous to health.<
Comply with the applicable environmen-
tal laws regulating the disposal of coolant
additives.<

Maintenance
90
OBD interface socket
The Onboard Diagnostic OBD interface socket
is located on the left of the driver's side under
the instrument panel and under a cover.
The cover has the letters OBD on it.
The purpose of the OBD system is to ensure
proper operation of the emission control sys-
tem for the vehicle's lifetime.
The system monitors emission-related compo-
nents and systems for deterioration and mal-
function.
If the Service engine soon indicator
lamp comes on either continuously or
intermittently, this indicates a fault in
the emission-related electronic systems.
Although the vehicle remains operational, you
should have the systems checked by your
BMW center at the earliest possible opportu-
nity.
The illuminated indicator informs you of the
need for service, not that you need to stop the
vehicle. However, the systems should be
checked by your BMW cente r a t t h e n e x t o p p o r -
tunity.
If the indicator blinks or flashes, this indicates a
high level of engine misfire. Reduce speed and
contact the nearest BMW center immediately.
Severe engine misfiring over even a short
period of time can seriously damage emission
control system components, especially the cat-
alytic converter.Indication of the above-described mal-
function in Canadian models.
If the gas cap is not on tight enough, the
OBD system can detect leaking vapor
and the indicator will light up. If the gas cap is
then tightened, the indicator will usually go out
after a short period of time.<
Event Data Recorders
Your vehicle may be equipped with one or more
sensing and diagnostic modules or a recording
device capable of recording or transmitting cer-
tain vehicle data or information. In addition, if
you have a Subscription Service Agreement for
the BMW Assist system, certain vehicle infor-
mation may be transmitted or recorded in order
to provide such services.
Care
Interesting facts about the care of your vehicle
are found in the Caring for your vehicle bro-
chure.

Reference
At a glance
Controls
Driving tips
Mobility
95
Charging the battery
Charge the battery in the vehicle only when the
engine has been switched off. Terminals, refer
to Jump starting, page97.
Battery disposal
After changing a battery, have the used
battery disposed of by your BMW center
or bring it to a recycling point. Maintain the bat-
tery in an upright position for transport and stor-
age. Secure the battery against tilting when
transporting.<
Power loss
After a temporary power loss, e.g. due to a dis-
charged battery, some equipment will be lim-
ited in its use and must be reinitialized. Individ-
ual settings are also lost and must be reset:
>Seat memory
The positions must be stored again, refer to
page29
>Time
must be reset, refer to page47.
Fuses
You will find the fuses and information on their
respective allocation behind the glove compart-
ment.
1.Open the glove compartment
2.Press the lock on the left; see arrow1
3.Press the lock on the right; see arrow2
4.Swing the glove compartment down.Spare fuses and plastic tweezers for grasping
the fuses are found in the onboard tool kit; refer
to page91.
Do not attempt to repair a burned fuse or
replace it with a fuse having a different
color or amperage rating. To do this could
cause a fire in the vehicle as a result of circuit
overload.<

Giving and receiving assistance
96
Giving and receiving assistance
Receiving assistance
The BMW Group's Mobile Service offers you
24-hour assistance in the event of a breakdown,
even on weekends and holidays.
The telephone number of the Mobile Service
control center in your country is listed in the
Contact brochure.
If your vehicle has the necessary equipment,
you can contact the Mobile Service or issue an
emergency call using buttons in the center con-
sole, behind the parking brake under a cover.
When the emergency call is initiated, a tele-
phone connection is established with the BMW
Assist response center.
If your vehicle is equipped with an activated
BMW Assist and the current location of the
vehicle can be determined, this location is
transmitted to the BMW Assist response cen-
ter.
Requirements for initiating an emergency call or
contacting Mobile Service:
>Ignition key in position 1 or higher
>The car phone must be registered with a
mobile network
>The emergency call system must be opera-
tional.
Access to the buttons
Fold up the cover.
1Emergency call
2Roadside Assistance
Initiating an emergency call*
Press button1 for at least 2 seconds.
The indicator lamp in the button lights up. As
soon as a telephone connection to the BMW
Assist response center has been set up, the
indicator lamp flashes.
If the indicator lamp is flashing but you cannot
hear the emergency call center, you may still be
heard by the emergency call center.
For technical reasons, the emergency call
function cannot be guaranteed in certain
unfavorable conditions.<
If certain requirements are met, an emergency
call is automatically initiated after a serious
accident. The automatic emergency call will not
be hindered by pressing the button.
Roadside Assistance*
Press button2 for at least 2 seconds.
The indicator lamp in the button lights up. As
soon as a telephone connection to the Road-
side Assistance has been set up, the indicator
lamp flashes.
Depending on the country you are in, your vehi-
cle's current location will also be transmitted if
your vehicle is equipped with an activated BMW
Assist function.
Warning triangle*
The warning triangle is stored in the rear lug-
gage compartment panel.

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

Refueling
So that you have important specifications avail-
able to you when you stop to refuel, we recom-
mend that you fill out this table with the data
that apply to your vehicle. Consult the index for
individual specifications.Fuel
Engine oil
The oil volume between the two marks on the
oil dipstick corresponds to approx. 1.1 US
quarts/1 liter.
Tire inflation pressures
Designation
Please enter your preferred fuel here.
Quality
Summer tires
FrontRearWinter tires
FrontRear
Up to 2 persons
2 persons plus luggage