2006 BMW 330I ECU

323i
325i
325xi
330i
330xiOwner's Manual for Vehicle
Congratulations, and thank you for choosing a BMW.
Thorough familiarity with your vehicle will provide you with
enhanced control and security when you drive it. We therefore
have this request:
Please take the time to read this Owner's Manual and familiarize
yourself with the information that we have compiled for you
before starting off in your new vehicle. It contains important data
and instructions intended to assist you in gaining maximum use
and satisfaction from your BMW's unique range of technical fea-
tures. The manual also contains information on maintenance
designed to enhance operating safety and contribute to main-
taining the value of your BMW throughout an extended service
life.
This manual is supplemented by a Service and Warranty Informa-
tion Booklet for US models or a Warranty and Service Guide
Booklet for Canadian models.
We wish you an enjoyable driving experience.
BMW AG

At a glance
19Reference
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Operating principle at a glance
The following is a general description of opera-
tions using iDrive.For an exemplary step-by-step application refer
to Setting the time, page77.
1Select a menu item:
>Turn the controller; the highlight marker
moves
>Menu items in white can be selected by
highlighting them
2To activate a menu item:
>Press the controller
>New menu items are displayed or the
function is executed
3Select a menu item: refer to14To switch between fields:
>Briefly move the controller to the left,
right, forward, or backward
>Release the controller
>The active field is brighter in color
5To adjust settings:
>Turn the controller
>Graphic display, numerical value or text
displays can be changed
>Confirm by changing the field

Controls
49Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Transporting children safely
The right place for children
Do not leave children unattended in the
vehicle, otherwise they could endanger
themselves and/or other persons by opening
the doors, for example.<
The rear center seat is not suitable for installing
universal child-restraint systems for all age
groups, approved for the age group in question.
Children always in the rear
Accident research has shown that the safest
place for children is on the rear seats.
Children under the age of 13 or smaller
than 5 ft/150 cm may be transported only
in the rear in suitable child-restraint systems
appropriate for their age, weight and size. Oth-
erwise there is an increased risk of injury in the
event of an accident.<
Children 13 years of age or older must be buck-
led in with a safety belt as soon as there no
longer is any child-restraint system that is
appropriate for their age, size and weight.
All rear seats in your vehicle meet the recom-
mendations of the SAE J1819 standard for
safely mounting child-restraint systems in
motor vehicles.
Exception for front passenger seat
Should it be necessary to use a child-
restraint system on the front passenger
seat, the front and side airbags must be deacti-
vated. Otherwise, a child traveling on that seat
will be at an increased risk of injury if the airbags
are triggered off, even with a child-restraint sys-
tem. Your BMW Center will be glad to advise
you.<
For more information on automatic deactivation
of the front passenger airbags refer to page91.
Installing child-restraint
systems
Observe the child-restraint system man-
ufacturer's instructions for selecting,
installing and using child-restraint systems.
Otherwise the protective effect may be dimin-
ished.<
Standard child-restraint systems are designed
to be secured with a lap belt or with the lap-belt
section of a lap-and-shoulder belt. Incorrectly
or improperly installed child-restraint systems
can increase the risk of injury to children.
Always follow the installation instructions for
the system with the greatest care.
On the front passenger's seat
Before installing a child-restraint system
on the front passenger's seat, make sure
that the front and side airbags for the front pas-
senger are deactivated, otherwise there is an
increased risk of injury if the airbags deploy.<
Seat height
Before installing a universal child-restraint sys-
tem, move the front passenger's seat up as far
as it will go to ensure that the safety belt will be
ideally positioned. Do not change the seat
height afterward.
Backrest width
The backrest width of the front passenger
seat must be adjusted to its widest set-
ting, otherwise the stability of the child seat on
the front passenger seat is limited.<
1.Adjust the backrest width to its widest set-
ting, refer to page42.
2.Install the child seat.

Transporting children safely
50
Child seat security
All rear safety belts and the front passenger's
safety belt can be prevented from being pulled
out in order to fasten child-restraint systems.
To lock the safety belt
1.Secure the child-restraint system with the
belt.
2.Pull the belt strap all the way out.
3.Allow the belt strap to retract and pull it taut
against the child-restraint system.
The safety belt is locked.
To unlock the safety belt
1.Open the belt buckle
2.Remove the child-restraint system.
3.Allow the safety belt strap to retract all the
way.
Child-restraint system with tether
strap
There are three additional anchors for child-
restraint systems with tether straps, see
arrows.
Placement of the tether strap
Fold the anchors upward before using them.
1.Push the head restraint upward.
2.Guide the tether strap through the mount-
ing for the head restraint.
3.Push the head restraint into its lowermost
position.
LATCH child-restraint fixing system
LATCH: Lower Anchor and Tethers for CHil-
dren.
When installing a LATCH child seat, com-
ply with the system manufacturer's oper-
ating and safety instructions.<
Rear seats with through-loading
system
The anchor points for the LATCH child-
restraint fixing system are located behind the
indicated protective caps. Flip up the corre-
sponding caps.

Driving
56
Sequential mode
After every engine start, sequential mode is
activated when you press the selector lever
towards the right while the brake is depressed.
You can shift up or down using the shift paddles
or the selector lever. You do not need to lift your
foot from the accelerator pedal while doing so.
It is also possible to start off in second gear, e.g.
on slippery surfaces.
SMG assists you in the following situations:
>Upshifts and downshifts are executed only
when they will result in a plausible combina-
tion of engine and vehicle speed; for exam-
ple, a downshift that would cause the
engine to overrev cannot be executed by
the system.
>The system shifts down into first gear auto-
matically when the vehicle comes to a stop.
>The system shifts down automatically just
before the engine speed falls below the
minimum speed required for a certain gear;
the driver does not need to intervene.
Shifting gears via selector lever
>Pull the selector lever backwards to shift up.
>Push it forward to shift down.
Shifting gears via the shift paddles on
the steering wheel
>Pull one of the shift paddles to shift up.
>Press it to shift down.
D Drive mode
In Drive mode, all forward gears are shifted
automatically.To switch from sequential mode to Drive mode:
press the selector lever towards the right in the
direction of D.
Kick-down: to accelerate rapidly, e.g. when
passing another vehicle, depress the accelera-
tor pedal all the way. You will achieve maximum
acceleration.
To switch back to sequential mode: press the
selector lever again towards the right in the
direction of D or shift gears via the shift paddles
or the selector lever.
On uphill slopes, drive off without delay.
Do not hold the vehicle in place by
depressing the accelerator pedal; engage the
handbrake instead. Otherwise, the transmis-
sion could overheat.<
Dynamic Driving Control
Dynamic Driving Control enables you to drive
your BMW in an even more performance-ori-
ented manner at the touch of a button:
>Gears are shifted more quickly.
>In Drive mode, the engine speed range is
utilized optimally.
Activating the system
Press the SPORT button while the ignition is
switched on. The LED in the button lights up.
Deactivating the system
>Press the SPORT button again or
>engage reverse gear or
>switch off the engine.
The LED in the button goes out.

Driving
58
R Reverse
Select only when the vehicle is stationary.
N Neutral, idle
You can select this in a car wash, for example.
The vehicle can roll.
D Drive, automatic position
Position for normal vehicle operation. All for-
ward gears are selected automatically.
Under normal operating conditions, fuel con-
sumption is lowest when you are driving in posi-
tion D.
Kick-down
Kick-down enables you to achieve maximum
performance.
Press the accelerator pedal beyond the full-
throttle resistance point.
Manual operation and Sport program
M/S
Move selector lever from position D toward the
left into the M/S shifting slot:
The sport program is activated and DS appears
in the instrument cluster. This position is rec-
ommended for a performance-oriented driving
style.
When you press the selector lever forwards or
backwards, the manual mode is activated and
Steptronic changes gear. The instrument clus-
ter shows M1 through M6.
Upshifts and downshifts are executed only
when they will result in a plausible combination
of engine and vehicle speed; thus, for example,
a downshift that would cause the engine to
overrev will not be executed by the system. The gear selected appears briefly in the instrument
cluster, followed by the gear actually in use.
To use the automatic function again, move the
selector lever to the right into position D.
Overriding selector lever lock
Should the selector lever refuse to move out of
position P although the button on the selector
lever is pressed, the selector lever lock can be
overridden:
1.Unclip the sleeve of the selector lever.
2.Pull the sleeve up over the selector lever
until the sleeve is inside out.
3.Using the screwdriver from the onboard
tool kit, refer to page205, press the red
lever while moving the selector lever to the
desired position.
Turn signals/
headlamp flasher
1High beams
2Headlamp flasher
3Turn signals

Controls
85Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
Deactivating DSC
Press the button for at least 3 seconds; the indi-
cator lamps for DSC in the instrument cluster
light up. Dynamic Traction Control DTC and
DSC have been simultaneously deactivated.
Stabilizing and drive-output promoting actions
are no longer executed.
To increase vehicle stability, activate DSC again
as soon as possible.
Activating DSC
Press the button again; the indicator lamps in
the instrument cluster go out.
To control
If the indicator lamp flashes:
DSC controls the drive forces and
brake forces.
If the indicator lamps are on:
DSC has been completely deacti-
vated.
DTC Dynamic Traction Control
DTC is a version of DSC in which the drive out-
put is optimized for particular road conditions,
e.g. unplowed snow-covered roads. The sys-
tem assures the maximal drive output, but with
reduced driving stability. It is therefore neces-
sary to drive with appropriate caution.
You may find it useful to briefly activate DTC
under the following special circumstances:
>When driving uphill on snow-covered roads,
in slush or on unplowed, snow-covered
roads
>When rocking a stuck vehicle free or start-
ing off in deep snow or on loose ground>When driving with snow chains
Activating DTC
Briefly press the button; the DTC indicator
lamps in the instrument cluster come on.
To control
If the indicator lamp flashes:
DTC controls the drive forces and
brake forces.
If the indicator lamps are on:
DTC has been activated.
Deactivating DTC
Press the button again; the DTC indicator
lamps in the instrument cluster go out.
xDrive 325xi, 330xi
xDrive is your BMW's four-wheel-drive system.
The combined efforts of xDrive and DSC help to
further optimize traction and driving dynamics.
The xDrive four-wheel-drive system distributes
driving power variably to the front and rear axles
depending on the driving situation and road
conditions.
Malfunction
In case of any of the malfunctions
described below, drive cautiously and
think well ahead. Avoid driving on rough tracks
and pressing the accelerator pedal down to full
throttle or kick-down position, otherwise the
drive system could be damaged or accidents
could result.<

Controls
91Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
seat covers, cushions or other objects not spe-
cifically approved for seats with integral side air-
bags to the front seats. Do not hang items of
clothing such as coats or jackets over the back-
rests. Do not attempt to remove the airbag
retention system from the vehicle. Do not mod-
ify the individual components of the system or
its wiring in any way. This includes the uphol-
stered covers on the steering wheel, instrument
panel, seats and roof posts, as well as the sides
of the roof lining. Do not attempt to remove or
dismantle the steering wheel.
Do not touch the individual components imme-
diately after the system has been triggered,
because there is a danger of burns.
In the event of malfunctions, deactivation, or
triggering of the airbag restraint system, have
the testing, repair, removal, and disposal of air-
bag generators executed only by a BMW Cen-
ter or a workshop that works according to BMW
repair procedures with correspondingly trained
personnel and has the required explosives
licenses. Unprofessional attempts to service
the system could lead to failure in an emer-
gency or undesired airbag activation, either of
which could result in personal injury.<
Warning notices and information about the air-
bags can also be found on the sun visors.
Automatic deactivation of the front
passenger airbags
An analysis of the impression in the front pas-
senger seat cushion determines whether and
how the seat is occupied. The front and side air-
bags for the front passenger are activated or
deactivated by the system accordingly.
The indicator lamp above the interior
rearview mirror shows the current status
of the front passenger airbags, deactivated or
activated, refer to Status of front passenger air-
bags below.
Before transporting a child on the front
passenger seat, read the safety precau-
tions and handling instructions under Trans-
porting children safely, refer to page49.
The front and side airbags can also be deacti-
vated by adolescents and adults sitting in cer-
tain positions; the indicator lamp for the front passenger airbags comes on. In such cases, the
passenger should change his or her sitting
position so that the front passenger airbags are
activated and the indicator lamp goes out. If the
desired airbag status cannot be achieved by
changing the sitting position, transport the rele-
vant passenger on a rear seat. Do not attach
seat covers, seat cushion padding, ball mats or
other items to the front passenger seat unless
they are specifically recommended by BMW.
Do not place any items under the seat which
could press against the seat from below. Other-
wise a correct analysis of the seat cushion is not
ensured.<
Status of front passenger airbags
The indicator lamp for the front passenger air-
bags shows the functional status of the front
passenger's front and side airbags in accor-
dance with whether and how the front passen-
ger seat is occupied. The indicator lamp shows
whether the front passenger airbags are acti-
vated or deactivated.
>The indicator lamp comes on as intended
when a child in a specially designated child-
restraint system is detected on the seat.
The front and side airbags for the front pas-
senger are not activated.
>The indicator lamp does not come on as
long as a person of sufficient size and in a
correct sitting position is detected on the
seat.
The front and side airbags for the front pas-
senger are activated.
>The indicator lamp does not come on if the
seat is empty.
The front and side airbags for the front pas-
senger are not activated.