2011 BMW 323I nut

Technology for driving comfort and safety
92 stop and check your tires as soon as possible,
and inflate them to the proper pressure. Driving
on a significantly underinflated tire causes the
tire to overheat and can lead to tire failure.
Underinflation also reduces fuel efficiency and
tire tread life, and may affect the vehicle’s han-
dling and stopping ability. Please note that the
TPMS is not a substitute for proper tire mainte-
nance, and it is the driver’s responsibility to
maintain correct tire pressure, even if underin-
flation has not reached the level at which the
TPMS low tire pressure telltale illuminates.
The TPMS malfunction indicator is combined
with the low tire pressure telltale. When the sys-
tem detects a malfunction, the telltale will flash
for approximately one minute and then remain
continuously lit. This sequence will continue
upon subsequent vehicle startups as long as
the malfunction exists. When the malfunction
indicator is illuminated, the system may not be
able to detect or signal low tire pressure as
intended. TPMS malfunctions may occur for a
variety of reasons, including the installation of
replacement or alternate tires or wheels on the
vehicle that prevent the TPMS from functioning
properly. Always check the TPMS malfunction
telltale after replacing one or more tires or
wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow
the TPMS to continue to function properly.
Active steering*
The concept
Active steering varies the turning angle of the
front wheels in relation to steering wheel move-
ments. It also varies the steering force required
to turn the wheels depending on the speed at
which you are driving.
When you are driving in the low road speed
range, e.g. in a town or when parking, the steer-
ing angle is increased, i.e. steering becomes
very direct and less effort is required to turn the
wheels. In the higher speed range, on the other
hand, the steering angle is reduced as the
speed increases. This improves the handling of
your BMW over the entire speed range.
In critical situations, the system can make tar-
geted corrections to the steering angle pro-
vided by the driver and thus stabilize the vehicle
before the driver intervenes. This stabilizing
intervention is simultaneously deactivated
when DSC is switched off, refer to page86.
Malfunction
The warning lamps light up and a
message is displayed on the Control
Display. Active steering is malfunc-
tioning or is temporarily deactivated.
At low speeds, greater steering wheel move-
ments are required, whereas at higher speeds
the vehicle reacts more sensitively to steering
wheel movements. The stability-enhancing
feature may also be deactivated. Drive cau-
tiously and think well ahead.
Deactivation
Active steering is deactivated to perform an ini-
tialization. A message indicates that the feature
is deactivated. Initialization may take several
minutes.
If the message does not disappear during the
current trip, have the system checked.
Defect
If there is a defect, a corresponding text mes-
sage appears. Have the system checked.

Controls
101Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Instrument lighting
You can adjust the brightness of the instrument
lighting only when the parking lamps or the low
beams are switched on.
1.Push button 1 up or down repeatedly until
the appropriate symbol appears in the dis-
play, accompanied by the brightness set-
ting and scale the word "SET".
2.Press button 2.
3.Push button 1 up or down to select the
desired brightness level.
4.Press button 2.
The display again shows the outside tem-
perature and the time.
Interior lamps
The interior lamps, the footwell lamps*, entry
lamps
*, cargo area lamp and courtesy lamps*
are controlled automatically.
The LEDs for the courtesy lamps
are set in the
door handles and illuminate the ground in front
of the doors.
To avoid draining the battery, all lamps
inside the car are switched off about
8 minutes after the ignition is switched off, refer
to Start/stop button on page55.<
Switching interior lamps on/off
manually
Interior lamps, front and rear*:
To switch on and off, press the button.
To switch off the interior lamps, footwell
lamps
*, entry lamps* and courtesy lamps* per-
manently, press the button for the front interior
lamps for about 3 seconds.
Reading lamps
There are reading lamps at the front and rear*,
next to the interior lamps. To switch on and off,
press the button.

Climate
106
Parked car ventilation
The concept
The parked car ventilation provides ventilation
to the passenger compartment and lowers its
temperature, if necessary. It is ready for use at
any outside temperature, as of radio readiness.
The parked car ventilation remains switched on
for approx. 30 minutes. Two different switch-on
times can be preselected. The system can also
be switched on and off directly.
Due to its high power consumption, it should
not be switched on twice in a row without driv-
ing in between to allow the battery to recharge.
The air emerges from the air vents for the upper
body area in the instrument panel. The air vents
must therefore be open.
The parked car ventilation system is operated
via iDrive.
Switching on/off directly
1."Settings"
2."Climate"
3."Activate parked-car vent."
The parked car ventilation is switched on.
The symbol on the automatic climate Control
Display flashes.
Preselecting switch-on times
1."Settings"
2."Climate"
3."Activate Timer 1" or "Activate Timer 2"
4."Timer 1:" or "Timer 2:"
5.Turn the controller: set the hours.
6.Press the controller: the setting is
accepted.
7.Turn the controller: set the minutes.
8.Press the controller: the setting is
accepted.
The switch-on time is activated.
The symbol on the automatic climate
Control Display lights up.
The symbol on the automatic climate
Control Display flashes when the system has
switched on.
The respective system is switched on
within the next 24 hours only. After these
have elapsed, it must be reactivated.<

Things to remember when driving
124
Diesel particulate filter*
The diesel particulate filter collects soot parti-
cles and burns them periodically at high tem-
peratures. This cleaning process takes several
minutes. During cleaning, you may notice that
the engine temporarily runs less smoothly and
that a somewhat higher engine speed is neces-
sary to achieve the accustomed performance.
Also, noises may be heard and a slight amount
of smoke may emerge from the exhaust, even
for a short period after the engine is switched
off.
Hydroplaning
When driving on wet or slushy roads,
reduce road speed. If you do not, a wedge
of water can form between tires and road sur-
face. This situation, known as hydroplaning,
means that the tire can completely lose contact
with the road surface, so that neither the car can
be steered nor the brake be properly applied.<
The risk of hydroplaning increases with declin-
ing tread depth on the tires, refer also to Mini-
mum tread depth on page222.
Driving through water
Drive through water on the road only if it is
not deeper than 1 ft/30 cm, and then only
at walking speed at the most. Otherwise, the
vehicle's engine, the electrical systems and the
transmission may be damaged.<
Use the parking brake on inclines
On inclines, do not hold the vehicle for a
lengthy period using the clutch; use the
parking brake instead. Otherwise, greater
clutch wear will result.<
For more information about the drive-off
assistant, refer to page87.
Braking safely
Your BMW is equipped with ABS as a standard
feature. Applying the brakes fully is the most
effective way of braking in situations in which
this is necessary. Since the vehicle maintains
steering responsiveness, you can still avoid
possible obstacles with a minimum of steering
effort.
Pulsation of the brake pedal, combined with
sounds from the hydraulic circuits, indicate that
ABS is in its active mode.
Driving in wet conditions
When roads are wet or there is heavy rain,
briefly exert gentle pressure on the brake pedal
every few miles. Monitor traffic conditions to
ensure that this maneuver does not endanger
other road users. The heat generated in this
process helps dry the pads and rotors to ensure
that full braking efficiency will then be available
when you need it.
Hills
To prevent overheating and the resulting
reduced efficiency of the brake system,
drive long or steep downhill gradients in the
gear in which the least braking is required. Even
light but consistent brake pressure can lead to
high temperatures, brake wear and possibly
even brake failure.<
You can increase the engine's braking effect by
shifting down, all the way to first gear if neces-
sary. This strategy helps you avoid placing
excessive loads on the brake system. Down-
shifting in manual mode of the automatic trans-
mission, refer to page59.
Never drive with the clutch held down,
with the transmission in neutral or with
the engine switched off; otherwise, engine
braking action will not be present or there will be
no power assistance to the brakes or steering.
Never allow floor mats, carpets or any other
objects to protrude into the area around the
pedals; otherwise, pedal function could be
impaired.<

On/off and tone
150
On/off and tone
The following audio and video sources share
the same control elements and adjustments:
>Radio
>CD/DVD player
>CD changer
*
>Video*
>External devices, e.g. MP3 player
Controls
The audio and video sources can be controlled
using the:
>Buttons near the CD/DVD player
>iDrive
>Buttons on the steering wheel, refer to
page10
>Programmable memory keys, refer to
page20
>Voice activation system
Buttons in the area of the CD/DVD
player
1Sound output for entertainment on/off, vol-
ume
>Press: switch on/off
When you switch on the unit, the last set
radio station or track is played.
>Turn: adjusting the volume
2 Eject the CD/DVD
3CD/DVD drive
*
4FM/AM: change the radio station wave-
band
5MODE: change the audio and video
sources
6 Station scan/track search
>Change the radio station
>Select the track for the CD/DVD player,
CD changer and certain multimedia
devices
Switching on/off
To switch the entertainment audio output on or
off:
Press button1 next to the CD/DVD player.
This symbol on the Control Display indicates
that sound output is switched off.
The sound output is available for approx.
20 minutes after the ignition was switched off.
For sound output, switch the unit back on.
Adjusting volume
Turn button1 next to the CD/DVD player until
the desired volume is obtained.
You can also adjust the volume with buttons on
the steering wheel, refer to page10.
Tone control
You can alter various tone settings, e.g. treble
and bass or the speed-dependent volume
increase.
The tone settings are applied to all audio
sources.
The settings are stored for the remote control
currently in use.

Satellite radio
160
Traffic Jump
Traffic and weather information for a selected
region is broadcast every few minutes.
Selecting a region
1."Radio"
2."Satellite radio"
3.Open "Options".
4."Set jump"
5.Select the desired region.
The region is stored for the remote control cur-
rently in use.
Activating/deactivating the jump
1."Radio"
2."Satellite radio"
3."Jump to:"
Information for the selected region is broadcast
as soon as it is available.
A new panel opens.
Canceling the Traffic Jump: "Cancel".
Select one of the symbols to deactivate
Traffic Jump.
Automatic update
About twice a year, Sirius performs an update of
the channel names and positions. The update
takes place automatically and may take several
minutes.
Notes
>Reception may not be available in some sit-
uations, such as under certain environmen-
tal or topographic conditions. The satellite
radio cannot influence this.
>The signal may not be available in tunnels or
underground garages, next to tall buildings
or near trees, mountains or other powerful
sources of radio interference.
SymbolMeaning
Information will be broadcast
shortly.
Information is currently being
broadcast.

Navigation
Entertainment
Driving tips
161Reference
At a glance
Controls
Communications
Mobility
CD/DVD player and CD changer
CD/DVD playback
Inserting a CD/DVD
Insert the CD/DVD into the drive with the
labeled side facing up. The CD/DVD is drawn in
automatically.
Playback starts automatically if the sound out-
put is on. For CDs/DVDs with compressed
audio files, it can take several minutes to read in
the data, depending on the directory structure.
Playable formats
CD/DVD player
>DVD: DVD-ROM, DVD-R, DVD+R, DVD-
RW, DVD+RW, DVD-R DL, DVD+R DL, DVD
audio (video part only), DVD video
>CD: CD-ROM, CD-R, CD-RW, CD-DA,
VCD, SVCD
>Compressed audio files: MP3, WMA, AAC
CD changer
*
>CD: CD-ROM, CD-R, CD-RW, CD-DA
Starting playback
Via iDrive
Fill the CD/DVD magazine and insert it, refer to
page166.To start playback if a CD is already located in
the player or changer:
1."CD/Multimedia"
2."CD/DVD"
3.Select the desired CD or DVD:
Eject the CD/DVD
Press the button next to the CD/DVD player.
The CD/DVD emerges slightly from the drive.
*
SymbolFunction
CD/DVD player
CD changer

Telephone
182
Pairing
Depending on your mobile phone, you will see
messages, first on the mobile phone display or
on the iDrive, requesting you to enter the same
Bluetooth passkey previously determined by
you.
8.Enter the Bluetooth passkey.
Depending on the mobile phone, you will
have approx. 30 seconds to enter your
Bluetooth passkey on the mobile phone
and the Control Display.
If the pairing was successful, the mobile phone
appears at the top of the list of mobile phones.
Following the initial pairing
>The mobile phone is detected/connected in
the vehicle within a short time if the engine
is running or the ignition is switched on.
>As soon as a mobile phone is detected by
the vehicle, the phone book entries stored
on the SIM card or on your mobile phone are
transmitted to the vehicle. This transmis-
sion is dependent on your mobile phone,
refer to the operating instructions of the
mobile phone if necessary, and can take
several minutes.
>Four mobile phones can be paired.
>Specific settings may be necessary in some
mobile phones, e.g. authorization or a
secure connection, refer to the mobile
phone operating instructions.
If not all phone book entries are displayed:
>Transfer all phone book entries from the
SIM card to the mobile phone, if necessary.
>Phone book entries with special characters
may not be displayed.
Checks to perform if pairing is
unsuccessful
>Is the mobile phone supported by the
mobile phone preparation package? You
can obtain information on the Internet at:
www.bmw.com/bluetooth
>Do the Bluetooth passkeys on the mobile
phone and vehicle match? The same Blue-
tooth passkey must be entered on the
mobile phone's display and via iDrive.
>Did it take you more than 30 seconds to
enter the Bluetooth passkey? Then repeat
the pairing procedure.
>Are too many Bluetooth devices connected
to the mobile phone? If so, delete the con-
nections with other devices on the mobile
phone.
>Is the mobile phone no longer responding?
Switch the mobile phone off and on or
briefly disconnect the power supply.
>Repeat the pairing procedure.
>If all items on the list have been checked
and the mobile phone still cannot be paired,
please contact Customer Relations.
Connecting a particular mobile phone
If more than one mobile phone is detected by
the vehicle, the mobile phone at the top of the
list is connected. A different mobile phone can
be connected by selecting it.
1."Telephone"
2."Bluetooth (telephone)"
3.Select the desired mobile phone.