tire size BMW 3 SERIES 2009 User Guide

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Page 205 of 268

BMW 3 SERIES 2009 User Guide Mobility
203Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Sports Wagon: tire inflation pressures for the 328i
Tire size Pressure specifications in psi/kPa
Trave

Page 206 of 268

BMW 3 SERIES 2009 User Guide Wheels and tires
204
with Sports package:
205/55 R 16 91 H M+S
225/50 R 16 92 H M+S
225/50 R 16 92 W
32/220 39/270 32/220 39/270 39/270 46/320
225/45 R 17 91 H M+S
225/45 R 17 91 W 33/230 41/280 35/24

Page 207 of 268

BMW 3 SERIES 2009 User Guide Mobility
205Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Sports Wagon: tire inflation pressures for the 328xi
Tire size Pressure specifications in psi/kPa
Trav

Page 208 of 268

BMW 3 SERIES 2009 User Guide Wheels and tires
206
with Sports package:
205/55 R 16 91 H M+S
225/50 R 16 92 H M+S
225/50 R 16 92 W
32/220 39/270 32/220 39/270 38/260 45/310
225/45 R 17 91 H M+S
225/45 R 17 91 W 33/230 41/280 33/23

Page 209 of 268

BMW 3 SERIES 2009 User Guide Mobility
207Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Tire identification marks
Knowledge of the labeling on the side of the tire
makes it easier to identif

Mobility
207Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Tire identification marks
Knowledge of the labeling on the side of the tire
makes it easier to identify and choose the right
tires.
Tire size
Speed code letter
Q = up to 100 mph or 160 km/h
T = up to 118 mph or 190 km/h
H = up to 131 mph or 210 km/h
V = up to 150 mph or 240 km/h
W = up to 167 mph or 270 km/h
Y = up to 186 mph or 300 km/h
Tire Identification Number
Tires with DOT codes meet the guidelines of
the US Department of Transportation.
DOT code:
Tire age
The manufacturing date of tires is contained in
the tire coding: DOT … 3208 means that the
tire was manufactured in week 32 of 2008.
BMW recommends that you replace all tires
after 6 years at most, even if some tires may last
for 10 years.
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder and
maximum section width. For example:
Tread wear 200 Traction AA
Temperature A
DOT Quality Grades
Tread wear
Traction AA A B C
Temperature A B C
All passenger car tires must conform to
Federal Safety Requir ements in addition
to these grades. <
Tread wear
The tread wear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditio ns on a specified gov-
ernment test course. For example, a tire graded
150 would wear one and one-half (1 γ) times as
well on the government course as a tire graded
100. The relative performance of tires depends
upon the actual conditions of their use, how-
ever, and may depart significantly from the
norm due to variations in driving habits, service
practices and differences in road characteris-
tics and climate.
Traction
The traction grades, from highest to lowest, are
AA, A, B, and C.
Those grades represent the tire's ability to stop
on wet pavement as measured under controlled
conditions on specified government test sur-
faces of asphalt and concrete. A tire marked C
may have poor traction performance.
The traction grade assigned to this tire is
based on straight-ahe ad braking traction
tests, and does not in clude acceleration, cor-
nering, hydroplaning, or peak traction charac-
teristics. <
Temperature
The temperature grades ar e A, the highest, B,
and C, representing the ti re's resistance to the
generation of heat and its ability to dissipate
e.g.
Nominal width in mm
Aspect ratio in Ξ
Radial belt construction
Rim diameter in inches
Load rating,
not on ZR tires
Speed code letter, in
front of the R on ZR tires225/45 R1791 V
e.g.
Manufacturer's code
for tire make
Tire size and
tire design
Tire ageDOT xxxx xxx 3208
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Page 211 of 268

BMW 3 SERIES 2009 User Guide Mobility
209Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
The manufacturing date of tires is contained in
the tire coding:
DOT ... 3208 means that the tire was

Mobility
209Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
The manufacturing date of tires is contained in
the tire coding:
DOT ... 3208 means that the tire was manufac-
tured in week 32 of 2008.
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 su bject to certain restric-
tions, even if depressurized.
For information on continuing to drive with a flat
tire, refer to Indication of a flat tire, page 84.
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 trai ned personnel. If this
work is not carried out properly, there is a dan-
ger of subsequent dama ge 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 ag e, 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.
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
FTM.
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 page 84. Your BMW center
will be glad to advise you.
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Page 212 of 268

BMW 3 SERIES 2009 User Guide Wheels and tires
210
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.
Whe

Wheels and tires
210
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 winter roads
or at temperatures below +45°F/+7°C.
Although all-season M+ S tires provide better
winter traction than summer tires, they gener-
ally 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 ti res, 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 agains t all contact with oil,
grease and fuels. Do not exceed the maximum
tire inflation pressure indicated on the sidewall
of the tire.
Swapping wheels between axles
BMW advises against swapping wheels
between the front and rear axles, even if all tires
have the same size, as th is could impair driving
characteristics. If the tires are of mixed sizes,
swapping wheels betwee n the axles is not per-
missible.
Snow chains*
Only certain fine-link sn ow 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
page 81. <
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Page 265 of 268

BMW 3 SERIES 2009 User Guide Reference 263
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Tires
– age207,208
– air loss 86
– breaking in 114
– changing, refer to Changing
wheels 228
�

Reference 263
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Tires
– age207,208
– air loss 86
– breaking in 114
– changing, refer to Changing
wheels 228
– condition 208
– damage 208
– inflation pressure 195
– labels 207
– minimum tread depth 208
– new wheels and tires 209
– pressure monitoring, refer to
Flat Tire Monitor 83
– pressure monitoring, refer to Tire Pressure Monitor
TPM 84
– puncture 84
– replacing 209
– Run-Flat 209
– size 207
– storage 210
– tread depth 208
– wear indicators, refer to Minimum tread depth 208
– wheel/tire combination, refer to Correct wheels and
tires 209
– winter tires 210
TMC station, refer to Traffic bulletins 136
Tone
– control 142
– middle setting 144
Tools, refer to Onboard tool kit 222
Top 50 of music
collection 159
Torque, refer to Engine data 238
Tow bar 233
Tow fitting 233
– screw thread 233
Tow fittings for tow-starting and towing away 233
Towing 232
– car with automatic transmission 232
– methods 233 Towing and tow-starting
232
Town/city, for navigation 123
Tow rope 233
Tow-starting 232,234
TPM, refer to Tire Pressure
Monitor 84
Track
– selecting on CD 150
Traction control, refer to Dynamic Stability Control
DSC 81
Traffic bulletins
– categorie

s137
Traffic bulletins, filtering 137
Traffic bulletins for navigation 136
– during destination guidance 137
– in map display 137
Traffic jam
– displaying traffic bulletins 136
Transmission
– automatic transmission with Steptronic 55
– manual transmission 55
– overriding selector lever lock for automatic transmission
with Steptronic 57
Transmission interlock
– refer to Changing selector
lever position 56
– refer to P Park 56
Transporting children
safely 49
Transport securing devices, refer to Securing cargo 118
Travel instructions, refer to Voice
instructions 134
Tread depth, refer to Minimum tire tread 208
Trip-distance coun ter, refer to
Trip odometer 67
Triple turn signal activation 58
Trip odometer 67
Trunk, refer to Cargo bay 107
Turning circle, refer to Dimensions 239 Turn signal indicators
– indicator/warning lamp
12
– replacing bulbs 226
– triple turn signal 58
Turn signals 57
TV
– control elements 142
– switching on/off 142
– tone control 142
– volume 142
Tying down loads, refer to
Cargo loading 118
U
Uniform Tire Quality Grading/
UTQR 207
Units
– average consumption 71
– temperature 71
Universal garage door opener, refer to Integrated universal
remote control 99
Universal mobile phone preparation package, refer
to separate Owner's Manual
Universal remote control 99
Unlatching, refer to
Unlocking 34
Unlocking
– from inside 30
– from outside 27
– luggage compartment lid 35
– setting unlocking
characteristics 27
– tailgate 35
– without remote control, refer
to Convenient access 34
USB-audio interface 162
V
VCD152
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