2008 BMW X6 XDRIVE35I tire pressure reset

Technology for comfort, convenience and safety
90
Function requirements
In order to assure the reliable reporting of a flat
tire, the system must be initialized for the cor-
rect tire inflation pressure.
The initialization must be repeated after
each time the tire inflation pressure is cor-
rected and after every tire or wheel change.<
System limits
The Flat Tire Monitor cannot indicate
sudden severe tire damage caused by
outside factors and does not detect a natural,
even pressure drop in all four tires.<
In the following situations, the system could be
delayed or malfunction:
>System has not been initialized
>Driving on snowy or slippery road surface
>Sporty driving style: slip in the drive wheels,
high lateral acceleration
>Driving with snow chains
*
When you are driving with the compact wheel*
the Flat Tire Monitor is unable to function.
Initializing system
The initialization finishes during driving,
which can be interrupted at any time.
When driving resumes, the initialization is con-
tinued automatically. Do not initialize the sys-
tem when driving with snow chains
* or with the
compact wheel
*.<
iDrive, for operating principle refer to page16.
1.Press the button.
This opens the start menu.
2.Press the controller to open the menu.
3.Select "Settings" and press the controller.4.Select "Vehicle / Tires" and press the con-
troller.
5.Change to upper field if necessary. Turn the
controller until "FTM" is selected and press
the controller.
6.Start the engine, but do not start driving.
7.Select "Reset" and press the controller.
8.Select "Yes" and press the controller. The
message "resetting FTM …" is displayed.
9.Start to drive.
The initialization finishes during driving.
Indication of a flat tire
The warning lamp lights up red. A
message appears on the Control Dis-
play. In addition, an acoustic signal
sounds. There is a flat tire or extensive inflation
pressure loss.
If you have deactivated DSC, it will be activated
automatically.
1.Cautiously reduce speed to below 50 mph/
80 km/h. Avoid sudden braking and steer-
ing maneuvers. Do not exceed a speed of
50 mph/80 km/h.
In case of further air loss of the defective
wheel, its position will be indicated to you
on the Control Display.

Controls
91Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
If the vehicle is not equipped with run-
flat tires as provided at the factory,
refer to page237, do not continue driving.
Continuing to drive with a flat tire could
cause severe accidents.<
2.At the next opportunity, check the air pres-
sure in all four tires.
If the tire inflation pressure in all four
tires is correct, the Flat Tire Monitor
may not have been initialized. The system
must then be initialized.<
3.In the event of complete tire pressure loss,
0 psi/0 kPa, you can estimate the possible
distance for continued driving on the basis
of the following guide values:
>With a light load:
1 to 2 persons without luggage:
approx. 155 miles/250 km
>With a medium load:
2 persons, cargo bay full, or
4 persons without luggage:
approx. 95 miles/150 km
>With a full load:
4 or more persons, cargo bay full:
approx. 30 miles/50 km
Drive cautiously and do not exceed
speeds of 50 mph/80 km/h or else you
run the risk of causing an accident. In the event
of pressure loss, vehicle handling changes. This
includes reduced tracking stability in braking,
extended braking distance and altered natural
steering characteristics.
If unusual vibrations or loud noises occur while
the vehicle is being driven, this can indicate final
failure of the damaged tire. Reduce speed and
stop at a suitable location as soon as possible,
otherwise pieces of the tire could become
detached and cause an accident. Do not con-
tinue driving, but instead contact the BMW
Sports Activity Vehicle Center. The concept
TPM checks the tire inflation pressure in the
four mounted tires. The system reports when
the tire inflation pressure has dropped consid-
erably in one or several tires.
Function requirements
In order to assure the reliable reporting of a flat
tire, the system must have been reset with the
correct tire inflation pressure.
Always use wheels with TPM electronics, oth-
erwise fault-free operation of the system is not
ensured.
Reset the system again after each correc-
tion of the tire inflation pressure and after
every tire or wheel change.<
System limits
TPM cannot announce sudden serious
tire damage caused by external influ-
ences.<
The system does not function properly if it has
not been reset, e.g. a flat tire is reported despite
correct tire inflation pressures.
The system is inactive and cannot display a flat
tire if a wheel has been mounted without TPM
electronics, e.g. a compact wheel
*, or if TPM is
temporarily interfered with by other systems or
devices which use the same radio frequency.
Status display on Control Display
The tire and system status is indicated by the
color of the tires.
TPM takes the fact that the tire pressure
changes during driving into account. A correc-
tion is only required if requested by TPM with
the color.
Green
The tire pressure matches the learned set state.
"TPM active" is displayed on the Control Dis-
play.

Technology for comfort, convenience and safety
92
One wheel is yellow
Flat tire or a major drop in inflation pressure in
the indicated tire. A message appears on the
Control Display.
All wheels are yellow
Flat tire or a major drop in inflation pressure in
several tires. A message appears on the Control
Display.
Gray
The system cannot detect a flat tire.
Reasons for this can be:
>TPM is being reset
>Temporary interference due to systems or
devices which use the same radio fre-
quency
>Malfunction
Resetting system
Reset the system again after each correc-
tion of the tire inflation pressure and after
every tire or wheel change.<
Resetting finishes during driving, which can be
interrupted at any time. When driving resumes,
resetting is continued automatically. Do not
reset the system when driving with a compact
wheel
*.
iDrive, for operating principle refer to page16.
1.Press the button.
This opens the start menu.
2.Press the controller to open the menu.
3.Select "Settings" and press the controller.
4.Select "Vehicle / Tires" and press the con-
troller.5.Change to upper field if necessary. Turn the
controller until "TPM" is selected and press
the controller.
6.Start the engine, but do not start driving.
7.Select "Reset" and press the controller.
8.Select "Yes" and press the controller.
9.Start to drive.
The tires are shown in gray and "Resetting
TPM..." is displayed.
After a few minutes of driving, the set tire infla-
tion pressures in the tires are applied as the set
values to be monitored. Resetting finishes dur-
ing driving. The tires are shown in green on the
Control Display.
If a flat tire is detected during resetting
and applying the tire inflation pressures,
all tires are shown in yellow on the Control Dis-
play. The message "Tire low!" is displayed.<
Message with low tire inflation
pressure
The warning lamp lights up yellow. A
message appears on the Control Dis-
play. In addition, an acoustic signal
sounds. There is a flat tire or extensive inflation
pressure loss.

Wheels and tires
232
Wheels and tires
Tire inflation pressure
Information for your safety
The condition of the tires and the maintenance
of the specified tire pressure are crucial not only
to the tire's service life, but also to driving com-
fort and most importantly, driving safety.
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 increases.
Check the tire inflation pressure regularly
and correct it as needed, even on the
compact tire
*: at least twice a month and before
starting long trips. If you fail to observe this pre-
caution, you may be driving on tires with incor-
rect tire pressures, a condition that can not only
compromise your vehicle's driving stability, but
also lead to tire damage and the risk of an acci-
dent. Do not drive with depressurized, i.e. flat
tires, except 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 a loss of control over the vehicle.<
After correcting the tire inflation pressure,
reinitialize the Flat Tire Monitor, refer to
page90, or reset the Tire Pressure Monitor,
refer to page92.<
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 and tire brands respectively
approved and recommended by BMW; a list of
these is available from your BMW Sports Activ-
ity Vehicle Center. tion pressure for your tires, observe the follow-
ing:
>Tire sizes of your vehicle
>Load conditions
>Maximum allowable driving speed
Tire inflation pressures for speeds
up to 100 mph/160 km/h
For normal driving up to 100 mph/160 km/h,
adjust pressures to the respective tire inflation
pressures listed on the following pages in
the column Traveling speeds up to max. of
100 mph/160 km/h to achieve optimum driving
comfort.
These pressure specifications can be found on
the door post when you open the driver's door.
The permissible top speed for these tire
inflation pressures is 100 mph/160 km/h.
Do not exceed this speed, otherwise tire dam-
age and accidents may result.<
Tire inflation pressures for speeds
above 100 mph/160 km/h
In order to drive at maximum speeds in
excess of 100 mph/160 km/h, please
observe, and, if necessary, adjust tire pressures
for speeds exceeding 100 mph/160 km/h from
the relevant table on the following pages.
Otherwise tire damage and accidents could
occur.<

Replacing components
250 2.Guide the jack head into the rectangular
recess of the jacking point when cranking
up, refer to illustration detail.
3.Jack the vehicle up until the wheel you are
changing is raised from the ground.
Mounting a wheel
1.Unscrew the lug bolts and remove the
wheel.
2.Remove accumulations of mud or dirt from
the mounting surfaces of the wheel and
hub. Also clean the lug bolts.
3.Position the new wheel or compact wheel.
Secure the wheel by screwing at least two
lug bolts into opposite bolt holes.
When you mount wheels other than Genu-
ine BMW light-alloy wheels, different lug
bolts may also be required.
4.Screw in the remaining lug bolts. Tighten all
the bolts securely in a diagonal pattern.
5.Lower the vehicle and remove the jack from
beneath the vehicle.
After mounting
1.Tighten the lug bolts in a diagonal pattern.
To ensure safety, always have the
lug bolts checked with a calibrated
torque wrench as soon as possible to
ensure that they are tightened to the speci-
fied torque. Otherwise, incorrectly tight-
ened lug bolts are a hidden safety risk. The
tightening torque is 101 lb ft/140 Nm.<
2.Stow the defective wheel in the cargo bay.
The defective wheel cannot be stored
under the floor panel flap due to its
size.<3.Check and correct the tire inflation pressure
at the earliest opportunity.
Protect valve stems with valve screw
caps against dirt and contamination.
Dirt in valve stems is a frequent source of
gradual air loss.<
4.Initialize the Flat Tire Monitor, refer to
page90, or reset the Tire Pressure Monitor,
refer to page92.
5.Replace the damaged tire as soon as possi-
ble and have the new wheel/tire balanced.
Driving with compact wheel
Drive reservedly and do not exceed a speed of
50 mph/80 km/h.
The driving characteristics change, for example
reduced track stability on braking, extended
braking distance, and altered self-steering
characteristics in the limit range. In conjunction
with winter tires, these characteristics are more
pronounced.
Only one compact wheel may be
mounted. Restore the wheels and tires to
their original size as quickly as possible. Failure
to do so is a safety risk.<
Vehicle battery
Battery care
The battery is 100 % maintenance-free, i.e., the
electrolyte will last for the life of the battery
when the vehicle is operated in a temperate cli-
mate. Your BMW Sports Activity Vehicle Center
will be glad to advise in all matters concerning
the battery.
Charging battery
Only charge the battery in the vehicle via the
terminals in the engine compartment with the
engine switched off. Connections, refer to
Jump starting on page253.

Reference 277
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Opening and closing
– comfort access36
– from inside32
– using remote control29
– using the door lock31
Operation by voice for mobile
phone217
– adjusting volume218
– canceling217
– correcting phone
number218
– dialing phone number218
– placing a call218
– redialing219
– voice commands217
– voice phone book218
Operation on poor roads130
"Options"225
Orientation menu, refer to
Start menu17
Output, refer to Engine
data258
Outside air, refer to AUC
Automatic recirculated-air
control106
Outside temperature
display68
– changing unit of measure79
Outside temperature
warning68
"Overview" for DVD system in
rear199
P
Panic mode30
Park Distance Control PDC81
"Parked car operation"110
"Parked car ventilation"110
Parked car ventilation109
– activating activation
time110
– preselecting activation
times110
– switching on and off
directly110
Parking, vehicle57Parking aid
– refer to PDC Park Distance
Control81
– refer to Rear view camera83
Parking assistant, refer to
PDC Park Distance
Control81
Parking brake57
– Automatic Hold58
– indicator lamp13
Parking lamps99
Parking with Automatic
Hold59
Parts and accessories6
"Passenger's seat climate"49
Passenger-side exterior
mirror, tilting down50
"Pathway lighting"100
Pathway lighting100
"Pause" for DVD system in
rear196
Paying attention to speed238
"PDC"82
"PDC in main window only"82
PDC Park Distance Control81
Personal Profile28
"Perspective"150
Phone book212
– creating and editing voice
phone book218
Phone numbers
– deleting from phone
book215
– dialing213
– most recent numbers215
– selecting in phone book215
– Top 8215
"Photo" for DVD system in
rear192,198
Pinch protection system
– glass sunroof, electric40
– power windows39
Plasters, refer to First-aid
kit253
"Play"
– for DVD system in rear196
– on satellite radio171
Playing videos, DVD system in
rear192Plug-in unit for remote
control, refer to Ignition
lock56
Pocket light, refer to
Flashlight116
Position
– displaying155
– storing, refer to Storing
current position144
Power failure251
Power windows, refer to
Windows38
Preselecting activation times
of parked car ventilation110
"Presets"
– displaying on radio164
– on satellite radio171
Pressure, tires232
– monitoring, refer to TPM
Tire Pressure Monitor91
"Profile"227
Programmable buttons on
steering wheel51
Programmable memory
buttons21
Protective function, refer to
Pinch protection
system39,40
R
Radio
– autostore165
– controls160
– High Definition Radio167
– sampling stations165
– satellite radio170
– selecting frequency
manually165
– selecting
waveband160,164
– station search165
– station with the best
reception165
– storing stations166
– switching on/off160
– tone control161
– volume161
– Weather Band169

Everything from A to Z
282 Town/city for destination
entry137
Tow-starting254,255
"TPM"92
TPM Tire Pressure
Monitor91
– resetting system92
– system limits91
– warning lamp92
Tracks
– finding175
– random sequence176
– sampling, scan175
Track width, refer to
Dimensions259
Traction-assist feature, refer
to DSC Dynamic Stability
Control86
Traction control, refer to
DSC Dynamic Stability
Control86
Traffic congestion
– bypassing155
– displaying traffic
information152
Traffic information for
navigation
– depiction in route map153
– displaying153
– during destination
guidance155
– switching on/off152
– symbols154
"Traffic Info settings"152
Transmission
– automatic transmission with
Steptronic61
– manually releasing
transmission lock on
automatic transmission with
Steptronic63
Transmission positions, refer
to Automatic transmission
with Steptronic61
Transporting children
safely53
Transport securing device,
refer to Securing cargo130Tread depth, refer to Minimum
tread depth236
Treble, refer to Tone
control161
"Treble / Bass" for DVD
system in rear195
"Trip computer"71
Trip computer71
Trip-distance counter, refer to
Trip odometer68
"Triple turn signal"64
Trip odometer68
Turning circle, refer to
Dimensions259
Turn signals64
– indicator lamp12
– replacing bulbs246
U
Underbody protection, refer to
Caring for your vehicle
brochure
Uniform Tire Quality Grading/
UTQR235
"Units"80
Units
– average fuel
consumption79
– temperature79
Universal garage-door
opener, refer to Integrated
universal remote
control112
Universal remote control112
"Unlock button"30
Unlocking
– from inside32
– liftgate30
– using remote control30
– without key, refer to Comfort
access36
Unlocking and locking doors,
using remote control30
Unlocking without key, refer to
Comfort access36
"Unlock rear menu" for DVD
system in rear190
"Update services"225USB audio interface187
"USB" in audio
mode186,188
Used batteries
– refer to Disposal251
– refer to Replacing battery38
V
Valve screw caps, refer to
After mounting250
Vehicle
– battery250
– breaking-in126
– care244
– care, refer to Caring for your
vehicle brochure
– decommissioning, refer to
Caring for your vehicle
brochure
– loading128
– measurements, refer to
Dimensions259
– parking57
– washing, refer to Caring for
your vehicle brochure
– weights260
"Vehicle / Tires" for
unlocking30
Vehicle jack249
– jacking points249
Vehicle position, refer to
Displaying current
position155
Ventilation107
– draft-free107
– in the rear108
– rear automatic climate
control109
– while stationary109
Vent outlets of automatic
climate control103
Vents, refer to Ventilation107
"Vent settings"106
"Video settings" for DVD
system in rear194
Voice, refer to Voice
instructions for navigation
system151