2008 BMW 335XI COUPE navigation

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Convertible: tire inflation pressures for the 335i
Tire size Pressure specifications in psi/kPa
Traveling speeds
up to a max. of
100 mph / 160 km/hTraveling speeds
including those exceeding
100mph / 160km/h
All pressure specifications in
the table are indicated in
psi/kilopascal with cold tires.
Cold = ambient temperature
without Sports package:
225/45 R 17 91 H M+S 32/220 38/260 32/220 36/250 35/240 42/290
225/45 R 17 94 V M+S XL 32/220 39/270 32/220 36/250 36/250 44/300
Front: 225/45 R 17 91 V 32/220 - 32/220 - 32/220 -
Rear: 255/40 R 17 94 V - 33/230 - 33/230 - 39/270
Front: 225/40 R 18 88 W 32/220 - 32/220 - 35/240 -
Rear: 255/35 R 18 90 W - 39/270 - 36/250 - 42/290
Front: 225/40 R 18 88 Y 32/220 - 32/220 - 32/220 -
Rear: 255/35 R 18 90 Y - 39/270 - 33/230 - 39/270
Front: 225/35 R 19 88 Y XL 36/250 - 35/240 - 36/250 -
Rear: 255/30 R 19 91 Y XL - 44/300 - 38/260 - 44/300
with Sports package:
225/45 R 17 91 H M+S 32/220 38/260 32/220 36/250 35/240 42/290
225/45 R 17 94 V M+S XL 32/220 39/270 33/230 41/280 41/280 48/330
Front: 225/45 R 17 91 V 32/220 - 33/230 - 36/250 -
Rear: 255/40 R 17 94 V - 33/230 - 36/250 - 44/300
Front: 225/40 R 18 88 W 32/220 - 36/250 - 39/270 -
Rear: 255/35 R 18 90 W - 39/270 - 39/270 - 46/320
Front: 225/40 R 18 88 Y 32/220 - 32/220 - 35/240 -
Rear: 255/35 R 18 90 Y - 39/270 - 36/250 - 42/290
Front: 225/35 R 19 88 Y XL 36/250 - 36/250 - 39/270 -
Rear: 255/30 R 19 91 Y XL - 44/300 - 39/270 - 46/320
More details on the permissible load and weights can be found on page247.

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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 page222.
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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Recommended tire brands
Certain makes of tire are recommended by
BMW for each tire size. They are marked with a
clearly visible BMW designation on the sidewall
of the tire.
When properly used, these tires meet the high-
est standards in terms of safety and handling
characteristics.
Special characteristics of winter tires
BMW recommends winter tires for use in cold
winter driving conditions. Although all-season
M+S tires provide better winter traction than
summer tires, they generally fail to provide the
same levels of cold-weather performance as
winter tires.
Pay attention to speed
Always comply with the speed limit for the
winter tires mounted on your car; failure
to do so could result in tire damage and acci-
dents.<
If the car is capable of speeds higher than that
permitted for the winter tires, a label stating the
maximum permitted speed for the mounted
tires must be displayed in your field of view.
Specialist tire dealers and your BMW center
can supply these labels.
Storage
Always store wheels and tires in a cool, dry
place with as little exposure to light as possible.
Always protect tires against all contact with oil,
grease and fuels.
Swapping wheels between axles
BMW advises against swapping wheels
between the front and rear axles, even if all tires
have the same size, as this could impair driving
characteristics. If the tires are of mixed sizes,
swapping wheels between the axles is not per-
missible.
Snow chains*
Only certain fine-link snow chains have been
tested by BMW, classified as safe for use and
recommended. Consult your BMW center for
more information.
Snow chains must be mounted in pairs and on
the rear wheels only. Observe the manufac-
turer's instructions when mounting snow
chains. Do not exceed a speed of 30 mph or
50 km/h.
Do not initialize the Flat Tire Monitor if
snow chains are mounted, otherwise the
instrument might issue an incorrect reading.
When driving with snow chains, you may find it
helpful to activate DTC temporarily, refer to
page90.<

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Important parts of the engine compartment
1Expansion tank for coolant, refer to
page227
2Washer fluid filler neck for headlamp clean-
ing system and window washer system,
refer to page653Jump-starting connection, refer to
page237
4Filler neck for engine oil, refer to Adding
engine oil
Engine oil
The engine oil consumption is dependent on
driving style and driving conditions.
Checking oil level
Your car is equipped with an electronic oil-level
monitor.
For a precise measurement and display of the
oil level, it is necessary that the engine be at
operating temperature, i.e. after uninterrupted
driving for at least approx. 6.5 miles/10 km. You
can have the oil level displayed while you are
driving, or while the vehicle is at a standstill on a
level surface and the engine is running.
Display in the instrument cluster
1.Push button 1 in the turn indicator lever up
or down repeatedly until the appropriate
symbol is shown in the display, accompa-
nied by the word "OIL".
2.Press button 2 in the turn indicator lever.
The oil level is checked and the reading dis-
played.

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more than 1 US quart/1 liter, refer also to
Adding engine oil below.
>"Engine oil level too high"
Too much oil will harm the engine.
Have the vehicle checked without
delay.<
>"Please observe recalculated service inter-
val for engine oil"
Do not add engine oil. You can continue
your journey. Note the newly calculated dis-
tance remaining to the next oil service, refer
to page79. Have the system checked as
soon as possible.
Adding engine oil
Do not add 1 US quart/1 liter of engine oil until a
corresponding message is shown on the Con-
trol Display.
Add oil within the next 125 miles/200 km,
otherwise the engine could be dam-
aged.<
Keep oils, greases, etc. out of the reach of
children and comply with the relevant
warnings on the containers. Otherwise, health
hazards may result.<
Oil change
Have oil changed only at your BMW center or at
a workshop that works according to BMW
repair procedures with correspondingly trained
personnel.
Specified engine oils
The quality of the engine oil selected has critical
significance for the operation and service life of
an engine. BMW continuously approves spe-cific oils after confirming their suitability for use
in its vehicles with extensive testing.
Do not use oil additives as these may
cause engine damage.<
Only use approved BMW High Performance
Synthetic Oil.
If BMW High Performance Synthetic Oil is not
available, you can add small quantities of other
synthetic oils in between oil changes. Only use
oils with the API SM specification or higher.
Your BMW center will be glad to answer
any questions regarding BMW High Per-
formance Synthetic Oil or approved synthetic
oils.<
You can also call BMW of North America at
1-800-831-1117 or visit the website
www.bmwusa.com to obtain this information.
Viscosity ratings
Viscosity is a measure of an oil's flow rating and
is categorized in SAE classes.
Selecting the appropriate SAE class depends
on the regional climatic conditions in which you
normally drive your BMW.
Approved oils belong to the 5W-40 and
5W-30 classes.<
These oils can be used for driving at all outside
temperatures.
Coolant
Do not add coolant to the cooling system
when the engine is hot. Escaping coolant
can cause burns.<
Coolant consists of half water and half additive.
Not all commercially available additives are suit-
able for your BMW. Ask your BMW center for
suitable additives.
Only use suitable additives, otherwise
engine damage may result. Because
additives are harmful to your health, it is impor-
tant to follow the instructions on the contain-
ers.<

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Maintenance
BMW Maintenance System
The BMW Maintenance System supports the
preservation of the traffic and operating safety
of your BMW. The objective is to optimize
efforts with respect to minimal vehicle mainte-
nance costs.
If and when you come to sell your BMW, a com-
prehensive record of servicing will prove a sig-
nificant benefit.
CBS Condition Based Service
Sensors and special algorithms take the differ-
ent driving conditions of your BMW into
account. Condition Based Service uses this to
determine the current and future service
requirements. By letting you define a service
and maintenance regimen that reflects your
own individual requirements, the system builds
the basis for trouble-free driving.
On the Control Display, you can have the
remaining times or distances for selected main-
tenance tasks and any legally prescribed dates
displayed, refer to page79:
>Engine oil
>Brake pads: separately for front and rear
>Brake fluid
>Vehicle check
>Legally mandated inspections depending
on local regulations
Service data in the remote control
Your vehicle continuously stores service-
requirement information in the remote control
while you are driving. Your BMW Service Advi-
sor can read out this data from the remote con-
trol unit, and propose an optimized mainte-
nance approach. Whenever you take your car in
for servicing you should therefore hand your
BMW Service Advisor the remote control unit
that you last used.
Make sure that the date is always set cor-
rectly, refer to page82; otherwise the
effectiveness of Condition Based Service CBS
is not assured.<
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.<

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Replacing components
Onboard tool kit
Coupe
The onboard tool kit is stored in a compartment
on the right-hand side of the cargo bay.
Remove the cover.
Convertible
The onboard tool kit is stored in a pouch under
the cargo bay floor panel.
Wiper blades
1.Fold up the wiper arm.
2.Remove the cover. To do so, press the hook
on the bottom, see arrow.3.Fold the wiper blade upwards.
4.Remove the wiper blade in the direction of
the windshield, see arrow.
To avoid damage, make sure that the
wiper arms are against the windshield
before you open the engine compartment.<
Lamps and bulbs
Lamps and bulbs make an essential contribu-
tion to vehicle safety. They should, therefore,
be handled carefully. BMW recommends hav-
ing your BMW center perform any work that you
do not feel competent to perform yourself or
that is not described here.
Never touch the glass of new bulbs with
your bare fingers, as even minute
amounts of contamination will burn into the
bulb's surface and reduce its service life. Use a
clean tissue, cloth or something similar, or hold
the bulb by its base.<
You can obtain a selection of replacement bulbs
at your BMW center.
Only change bulbs while they are cool to
the touch, otherwise you could suffer
burns.<
When working on electrical systems,
always begin by switching off the con-
sumer in question, otherwise short-circuits
could result. To avoid possible injury or equip-
ment damage when replacing bulbs, observe
any instructions provided by the bulb manufac-
turer.<

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3.Push the wire bracket out of the anchor
towards the right and fold it up.
4.Disconnect the plug, change the bulb and
reconnect the plug.
5.Insert the bulb.
6.Fold the wire bracket down and engage it.
7.Reattach the cover.
Tail lamps
Coupe
>Turn signal:
PY21W bulb, 21 watts
>Brake lamp in the luggage compartment lid:
H21W bulb, 21 watts
>Other lamps:
W16W bulb, 16 watts
The tail lamps are divided in two parts. One part
is in the luggage compartment lid, the other is in
the fender.
1Turn signal
2Roadside parking lamp/tail lamp, LED
3Backup lamp
4Brake lamp, consisting of two individual
bulbs
5Brake Force Display lamp6Roadside parking lamp/tail lamp, LED
If one of the bulbs 2, 5 or 6 malfunctions, please
contact your BMW center or a workshop that
works according to BMW repair procedures
with correspondingly trained personnel.
Convertible
>Turn signal:
PY21W bulb, 21 watts
>Brake lamp in the luggage compartment lid:
H21W bulb, 21 watts
The tail lamps are divided in two parts. One part
is in the luggage compartment lid, the other is in
the fender.
1Turn signal
2Roadside parking lamp/tail lamp, LED
3Backup lamp
4Brake lamp, consisting of two individual
bulbs
5Brake Force Display lamp
6Roadside parking lamp/tail lamp, LED
If one of the bulbs 2 to 6 malfunctions, please
contact your BMW center or a workshop that
works according to BMW repair procedures
with correspondingly trained personnel.
Fender-mounted lamps
Coupe
1.Left-hand side: use a screwdriver to pry off
the cover in the cargo bay and remove the
cover.
Right-hand side: remove the cover from the
right-hand side panel of the cargo bay.