2008 BMW 328XI SEDAN ESP

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BMW Assist
BMW Assist provides you with various services.
For example, the position data of your vehicle
can be transmitted to the BMW Assist
Response Center if an Emergency Request
*
has been sent.
Many BMW Assist services depend on the indi-
vidually agreed contract.
After your contract has expired, the
BMW Assist system will be deactivated by the
BMW Assist Response Center without you hav-
ing to visit a BMW center. After the BMW Assist
system has been deactivated, no BMW Assist
service will be available. The BMW Assist sys-
tem can be reactivated by a BMW center after a
new contract has been signed.
Requirements
You can use BMW Assist when the following
requirements are met:
>The installed BMW Assist system is logged
on to a mobile phone network. This network
must be capable of transmitting the ser-
vices.
>To transmit position data, the vehicle must
be able to determine the current position.
>To activate and update BMW Assist, a GPS
signal must be available.
>You have subscribed to BMW Assist with
your BMW center or with the BMW Assist
Response Center. Enabling must have
been completed.
>BMW Assist is activated, refer to page202.
Offered services
The following services are available via
BMW Assist:
>Emergency Request, refer to page235:
When you press the SOS button, a connec-
tion is established to the BMW Assist
Response Center. The BMW Assist Response Center contacts you and takes
further steps to help you.
>Automatic Collision Notification:
Under certain conditions, a connection is
established to the BMW Assist Response
Center after a serious accident. If possible,
the BMW Assist Response Center contacts
you and takes further steps to help you.
>Enhanced Roadside Assistance:
You can call BMW Roadside Assistance
*
should you require help in the event of a
breakdown. If possible, the vehicle data and
position data are transmitted during this
call.
>Customer Relations:
For all information related to your vehicle
you can be connected with BMW Customer
Relations.
>TeleService:
Data on your vehicle's service status or
required inspections are transmitted to your
BMW center either automatically before a
service due date or when you request a
BMW service appointment.
>Remote Door Unlock:
Contact the BMW Assist Response Center
if your remote control or key is not available
and you would like to have the vehicle
unlocked.
>Stolen Vehicle Recovery:
After you report your vehicle stolen with the
police, call the BMW Assist Response Cen-
ter to determine its position.
In addition, optional services can be provided to
you, such as the Concierge service or informa-
tion on directions, traffic or the weather. You
can use Critical Calling to activate a limited
number of calls via the BMW Assist Response
Center, e.g. when you do not have your mobile
phone with you.
Press the SOS button in order to contact the
BMW Assist Response Center, see below.
*

BMW Assist
198 You can also access BMW Assist Concierge
services via the Internet.
Characteristics of the offered services
The following characteristics apply to the ser-
vices:
>The services offered are country-specific.
>Voice contact is established or data are
transferred, depending on the equipment
and the country. In some countries, it is
possible to do both.
>The data transmitted can be vehicle data,
for example, your current position or the
Condition Based Service CBS data.
Using services
Contacting the BMW Assist Response
Center
You can contact the BMW Assist Response
Center via the SOS button.
1.Briefly press the cover flap to open.
The arrangement of the switches and indi-
cator lamps varies slightly among vehicle
equipment versions.
2.Press the button for at least 2 seconds.
The BMW Assist Response Center will connect
you with BMW Roadside Assistance.
Roadside Assistance
iDrive, for operating principle refer to page16.1.Press the button.
This opens the start menu.
2.Move the controller forwards to select
"Communication".
3.If necessary, move the highlight marker to
the uppermost field. Turn the controller
until "BMW Assist" is selected and press
the controller.
4.Select "Roadside Assistance" and press
the controller.
If the current location can be determined,
the current vehicle position is displayed.
5.Select "Start service" and press the con-
troller.
The BMW Assist Response Center will connect
you with BMW Roadside Assistance.

BMW Assist
200 6.Select "Start service" and press the con-
troller.
The service-relevant data are transmitted. Your
BMW center will contact you to arrange a ser-
vice appointment.
Contacting BMW Customer Relations
For all information related to your vehicle you
can call BMW Customer Relations.
1.Press the button.
This opens the start menu.
2.Move the controller forwards to select
"Communication".
3.If necessary, move the highlight marker to
the uppermost field. Turn the controller
until "BMW Assist" is selected and press
the controller.
4.Select "Customer Relations".
5.Press the controller.
6.Select "Start service" and press the con-
troller.
The BMW Assist Response Center will connect
you with BMW Customer Relations.
Concierge service*
When you call the BMW Assist Concierge, you
can obtain information about, e.g., current
e v e n t s , g a s s t a t i o n s o r h o t e ls , a s w e ll a s r ec e i v e
the corresponding telephone numbers and
addresses. Many hotels can be booked directly
through the BMW Assist Concierge service.
Concierge service requires additional enabling
by the BMW Assist Response Center.
Calling the Concierge
1.Press the button.
This opens the start menu.
2.Move the controller forwards to select
"Communication".
3.If necessary, move the highlight marker to
the uppermost field. Turn the controller
until "BMW Assist" is selected and press
the controller.
4.Select "Concierge" and press the control-
ler.
5.Select "Start Service" and press the con-
troller.
The BMW Assist Response Center will connect
you with a BMW Assist Concierge.

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until "Enabled services" is selected and
press the controller.
6.Select "Enable services" and press the con-
troller.
BMW Assist is activated and data exchange
with the BMW Assist Response Center
begins.
Activation takes a few minutes. Progress status
is displayed on the Control Display. If you open
another menu, the activation process continues
in the background.
Displaying vehicle data
When BMW Assist is activated, the license
plate and the vehicle identification number of
your vehicle may be displayed.
1.Open the start menu.
2.Press the controller to open the menu.3.Select "Settings" and press the controller.
4.Select "BMW Service settings" and press
the controller.
5.If necessary, move the highlight marker to
the uppermost field. Turn the controller
until "Profile" is selected and press the con-
troller.

Mobility
207Reference
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Observe the following when refueling
When handling fuels, follow the safety
instructions provided at filling stations,
otherwise there is a risk of personal injury or
property damage.<
When refueling, insert the filler nozzle com-
pletely into the filler pipe. Avoid lifting the filler
nozzle while filling the tank, as that would lead
to
>premature pump shutoff
>reduced efficiency of the fuel-vapor recov-
ery system.
The fuel tank is full when the filler nozzle clicks
off the first time.
Fuel tank capacity
Approx. 16.1 US gallons/61 liters, including the
reserve capacity of 2.1 US gallons/8 liters.
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.<
Fuel specifications
Do not fill the tank with leaded fuel, as this
would cause permanent damage to the
catalytic converter.
Do not fill the tank with E85, i.e. fuel containing
85 % ethanol, nor with FlexFuel. Otherwise the
engine and fuel supply system will be dam-
aged.<
Required fuel
Super Premium Gasoline/AKI 91
This gasoline is highly recommended.
However, you may also use gasoline with less
AKI. The minimum AKI Rating is:
>323i, 328i/xi: 87
>335i/xi: 89.
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.Do not use any gasoline below the speci-
fied minimum fuel grade. Otherwise the
engine could be damaged.<
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
driveability, 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
208
Wheels and tires
Tire inflation pressures
Information for your safety
It is not merely the tires' service life, but also
driving comfort and, to a great extent, driving
safety that depend on the condition of the tires
and the maintenance of the specified tire pres-
sure.
Check the tire inflation pressure regularly
and correct it, if necessary: at least twice a
month and before starting long trips. If you fail
to observe this precaution you may be driving
on tires with incorrect tire pressures, a condi-
tion that can not only compromise your vehi-
cle's driving stability, but also lead to tire dam-
age 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 seriously 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
Only check tire inflation pressure 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. When tires are
warm, the tire inflation pressure is higher.
After correcting tire inflation pressures,
always reinitialize the Flat Tire Monitor,
refer to page89.<
Inflation pressure specifications
The tables below provide all the correct inflation
pressures for the specified tire sizes at ambient
temperature.
The inflation pressures apply to the tire
sizes approved and tire brands recom-
mended by BMW; a list of these is available
from your BMW center.<
For correct identification of the right tire infla-
tion pressures, observe the following:
>Tire sizes for your vehicle>Load conditions
>Maximum allowable driving speed
Tire inflation pressures for driving up to
100 mph or 160 km/h
For normal driving up to 100 mph or 160 km/h
and to achieve optimum driving comfort, adjust
pressures to the respective tire inflation pres-
sures listed on the following pages in the col-
umns for traveling speeds up to a maximum of
100mph or 160km/h.
These tire inflation pressures can also be found
on the driver's-side door post when the driver's
door is open.
The maximum permissible speed for
these tire pressures is 100 mph or
160 km/h. Do not exceed this speed, otherwise
tire damage and accidents could occur.<
Tire inflation pressures for driving
above 100 mph or 160 km/h
In order to drive at maximum speeds in
excess of 100 mph or 160 km/h, adjust
pressures to the respective tire inflation pres-
sures listed on the following pages in the col-
umns for traveling speeds including those
exceeding 100 mph or 160 km/h. Otherwise tire
damage and accidents could occur.<
Observe all national and local maximum speed
limits, otherwise violations of the laws could
occur.

Wheels and tires
218 heat when tested under controlled conditions
on a specified indoor laboratory test wheel.
Sustained high temperature can cause the
material of the tire to degenerate and reduce
tire life, and excessive temperature can lead to
sudden tire failure. The grade C corresponds to
a level of performance which all passenger car
tires must meet under the Federal Motor Vehi-
cle Safety Standard No. 109. Grades B and A
represent higher levels of performance on the
laboratory test wheel than the minimum
required by law.
The temperature grade for this tire is
established for a tire that is properly
inflated and not overloaded. Excessive speed,
underinflation, or excessive loading, either sep-
arately or in combination, can cause heat
buildup and possible tire failure.<
RSC – Run-Flat Tires
You will recognize Run-Flat Tires by a circular
symbol containing the letters RSC on the side
of the tire, refer to page219.
M+S
Winter and all-season tires.
These have better winter properties than sum-
mer tires.
XL
Designation for specially reinforced tires.
Tire condition
Inspect your tires frequently for tread wear,
signs of damage and for foreign objects lodged
in the tread. Check the tread depth.
Minimum tread depth
The tread depth should not drop below 1/8 in/
3 mm, although, for example, European legisla-
tion only specifies a minimum tread depth of
1/16 in/1.6 mm. At tread depths below 1/8 in/
3 mm there is an increased risk of high-speed
hydroplaning, even when only small amounts of
water are present on the road surface.
When winter tires wear down past a tread depth of 1/6 in/4 mm, they become perceptibly less
suitable for winter conditions. In the interest of
safety, new tires should be installed.
Wear indicators in the base of the tread groove
are distributed around the tire's circumference;
the letters TWI, for Tread Wear Indicator, on the
tire's sidewalls identify tires that incorporate
these wear indicators. Once the tire tread has
worn down to the wear indicators, the tire has
worn to a depth of 1/16 in/1.6 mm.
Wheel/tire damage
Please note that low-profile tires cause wheels,
tires and suspension parts to be more suscep-
tible to road hazard and consequential dam-
ages.
Unusual vibrations encountered during normal
vehicle operation can indicate tire failure or
some other vehicle defect. This can, for exam-
ple, be caused by driving over curbs. The same
applies to any other abnormal road behavior,
such as pulling severely to the right or left.
In these cases, reduce speed immedi-
ately and have wheels and tires thor-
oughly checked. To do so, drive carefully to the
nearest BMW center or tire shop that works
according to BMW repair procedures with cor-
respondingly trained personnel. If necessary,
have the vehicle towed there.
Otherwise, tire damage can be extremely dan-
gerous for vehicle occupants and other road
users.<
Tire age
For various reasons, such as the development
of brittleness, BMW recommends tire replace-
ment after no more than 6 years, regardless of
the actual wear of the tires.

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The manufacturing date of tires is contained in
the tire coding:
DOT ... 0705 means that the tire was manufac-
tured in week 07 of 2005.
Run-Flat Tires
The symbol identifying Run-Flat Tires is a circle
with the letters RSC on the sidewall.
Run-Flat Tires comprise a conditionally self-
supporting tire and a special rim. The reinforce-
ment in the sidewalls ensures that the tire can
continue to be used subject to certain restric-
tions, even if depressurized.
For information on continuing to drive with a flat
tire, refer to Indication of a flat tire, page90.
New wheels and tires
Have new wheels and tires installed only
by your BMW center or tire shop that
works according to BMW repair procedures
with correspondingly trained personnel. If this
work is not carried out properly, there is a dan-
ger of subsequent damage and related safety
hazards. Make sure that the new wheels are bal-
anced.<
Retreaded tires
BMW recommends that you do not use
retreaded tires, since driving safety may
be impaired. The causes for this include poten-
tially different tire casing structures and often
wide variations in tire age, which can result in a
limited service life.<
Correct wheels and tires
When mounting new tires or changing over
from summer to winter tires and vice versa,
mount Run-Flat Tires for your own safety. In the
event of a flat, no spare wheel is available. Your
BMW center will be glad to advise you.
For safety reasons, BMW recommends
that damaged Run-Flat Tires be replaced
rather than repaired. Otherwise, subsequent
damage cannot be ruled out.<
BMW recommends that you use only
wheel and tire combinations that BMW
has tested and approved for your particular
vehicle. Variations in factors such as manufac-
turing tolerances mean that even wheels and
tires with identical official size ratings could
actually have different dimensions, which could
lead to body contact and thus to severe acci-
dents. If non-approved wheels and tires are
used, BMW cannot evaluate their suitability,
and therefore cannot guarantee their driving
safety.<
You can inquire about the right wheel/tire com-
bination at your BMW center.
The correct combination of wheels and tires is
also necessary to ensure reliable operation of
various vehicle systems such as ABS, DSC or
RPA.
To maintain good handling and vehicle
response, use only tires of a single brand and
tread configuration. After a tire has been dam-
aged, mount the previous wheel and tire combi-
nation again as soon as possible.
Wheels with Tire Pressure Monitor
TPM electronics
When mounting new tires or changing over
from summer to winter tires, or vice versa, only
use wheels with TPM electronics; otherwise the
Tire Pressure Monitor may not be able to detect
a puncture, refer to page90. Your BMW center
will be glad to advise you.