BMW 323I SEDAN 2007 E90 Owner's Manual

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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 service schedule also
includes operations related to the vehicle's
comfort and convenience features, such as
replacement of the filters for the inside air. The
objective is to optimize efforts with respect to
minimal vehicle maintenance 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 page77:
>Engine oil
>Brake pads: separately for front and rear
>Microfilter/activated-charcoal filter
>Brake fluid
>Spark plugs
>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 page81; 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.<

Maintenance
220
Socket for On-Board
Diagnosis OBD
Primary components that make up exhaust
emissions can be checked by a device via the
OBD socket.
This socket is located on the driver's side to the
left, on the bottom of the instrument panel
underneath a cover.
Exhaust emission values
The warning lamps come on. The
exhaust emission values have wors-
ened. Have the car checked as soon
as possible.
Canadian models display these warn-
ing lamps.
The lamps flash under certain condi-
tions. This indicates excessive misfiring in the
engine. If this happens, you should reduce your
speed and visit your nearest BMW center as
soon as possible. Severe engine misfiring can
quickly lead to serious damage of emissions-
related components, especially the catalytic
converter.
Event data recorders
Your vehicle may be equipped with one or sev-
eral measuring or diagnostic modules or a
device for recording or sending certain vehicle
data or information. In addition, if you have
signed a subscription contract for BMW Assist,
certain vehicle data may be transmitted or
recorded in order to facilitate the corresponding
services.
Care
Important information on the care and mainte-
nance of your BMW is contained in the Caring
for your vehicle brochure.

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Replacing components
Onboard tool kit
Sedan
The onboard tool kit is stored in a compartment
on the right-hand side of the cargo bay.
Remove the cover.
Sports Wagon
The onboard tool kit is stored in a compartment
on the left-hand side underneath 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.<

Replacing components
222
Sports Wagon: changing rear wiper
blade
1.Fold up the wiper arm.
2.Pull off the wiper blade, see arrow.
3.Insert the new wiper blade and press it on
until it audibly engages.
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.<
For care and maintenance of the headlamps,
please follow the instructions in the separate
Caring for your vehicle brochure.If the routine for changing a particular
bulb is not described here, please contact
your BMW center or a workshop that works
according to BMW repair procedures with cor-
respondingly trained personnel.<
Light-emitting diodes LED
Light-emitting diodes installed behind translu-
cent lenses serve as the light source for many of
the controls and displays in your vehicle. These
light-emitting diodes, which operate using a
concept similar to that applied in conventional
lasers, are officially designated as Class 1 light-
emitting diodes.
Do not remove the covers or expose the
eyes directly to the unfiltered light source
for several hours at a time, otherwise this could
cause irritation to the retina.<
Xenon lamps
The service life of these bulbs is very long and
the probability of a failure is very low, provided
that they are not switched on and off an unusual
number of times. If a xenon lamp fails neverthe-
less, switch on the fog lamps and continue the
journey with great care, provided that local leg-
islation does not prohibit this.
Have any work on the xenon lamp system,
including bulb replacements, performed
o nl y b y a BM W c e n t er o r a w o r k s h o p t h a t w o rk s
according to BMW repair procedures with cor-
respondingly trained personnel. Otherwise, if
such work is carried out improperly, the high
voltage in the system presents the danger of
fatal injuries.<
Parking lamps, roadside parking lamps
In the event of a malfunction, please contact
your BMW center or a workshop that works
according to BMW repair procedures with cor-
respondingly trained personnel.
Halogen lamps
H7 bulb, 55 watts
Always wear gloves and eye protection;
the atmosphere within the H7 bulb is

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pressurized. Otherwise there is a risk of injury if
the bulb is damaged.<
There are separate headlamp covers for low-
beam headlamps and high-beam headlamps.
Be careful when installing the covers, oth-
erwise leaks could occur and cause dam-
age to the headlamp system.<
For checking and adjusting headlamp
aim, please contact your BMW center.<
Access to the lamps
The high-beam headlamp can be accessed
from the engine compartment, whereas the
low-beam headlamp is accessed through a flap
in the wheel well.
1Cover for high-beam headlamp
2Cover for low-beam headlamp
3Turn signal bulb socket
To remove the covers:
1.Fold the respective wire bracket to the side,
see arrows.
2.Flip open the cover and take it out of the
guide.
Follow the same steps in reverse order to reat-
tach the covers.
Access through the wheel well
Only for low-beam headlamps and turn signals:1.Turn the wheel inwards.
2.Open the flap in the wheel well. To do so,
turn the fastener counterclockwise using a
coin, for example.
Changing low-beam and high-beam
bulbs
1.Remove the relevant cover for the head-
lamp.
2.Disconnect the plug from the lamp.
3.Push the wire bracket to the side out of the
mounting, arrow1, and fold it down,
arrow2.
4.Remove the bulb.
5.Insert new bulb as shown in the detail of the
illustration above.
6.Fold up the wire bracket and engage it.
7.Connect the plug.
8.Reattach the cover.
Parking lamps, roadside parking lamps
5-watt bulb, W5W

Replacing components
224 1.Remove the cover for the high-beam head-
lamp.
2.Pull out the bulb socket, see arrow.
3.Remove and replace the bulb.
4.Insert bulb socket.
5.Reattach the cover.
Turn signals, front
21-watt bulb, PY21W
or PY21W Silver Vision
1.Open the flap in the wheel well, refer to
Access through the wheel well on
page223.
2.Rotate turn signal bulb socket 1 to the left
and remove.
3.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
4.Insert turn signal bulb socket 1.
5.Attach the flap to the wheel well.
Tail lamps
Sedan
>Brake lamp in the luggage compartment lid:
H21W bulb, 21 watts>Other lamps:
P21W bulb, 21 watts
The tail lamps are divided into two parts. One
part is in the luggage compartment lid, the other
is in the fender.
1Brake lamp
2Roadside parking lamp/tail lamp
3Turn signal
4Backup lamp
5Tail lamp
6Brake lamp
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.
Sports Wagon
>Brake lamp in the tailgate:
H21W bulb, 21 watts
>Other lamps:
P21W bulb, 21 watts
The tail lamps are divided into two parts. One
part is in the tailgate, the other is in the fender.
1Brake lamp
2Roadside parking lamp/tail lamp

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3Turn signal
4Backup lamp
5Tail lamp
6Brake lamp
Fender-mounted lamps
Sedan
1.Using a screwdriver, pry off the cover in the
cargo bay or release the turn-lock fastener
by turning it counterclockwise and remove
the cover.
2.Loosen the bulb holder at the clip, see
arrow, and pull out.
3.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
4.Re-engage the bulb holder so that it audibly
clicks into place.
5.Reattach the cover in the cargo bay.
Sports Wagon
1.Left-hand lamps:
Open the flap on the left-hand side of the
cargo bay.
Right-hand lamps:
Open the cargo bay floor panel. Turn the screws on the cover, arrows 1, 90° and take
out the cover, arrow 2.
2.Loosen the bulb holder at the clip, see
arrow, and pull out.
3.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
4.Re-engage the bulb holder so that it audibly
clicks into place.
5.Reattach the cover in the cargo bay.

Replacing components
226
Lamps in the luggage compartment lid/
tailgate
Sedan
1.Pry out the plastic plugs in the trim of the
luggage compartment lid using a screw-
driver and remove the trim.
2.Unfasten the bulb holder at the clip, see
arrow, and remove.
3.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
4.Re-engage the bulb holder so that it audibly
clicks into place.
5.Reattach the trim of the luggage compart-
ment lid.
Sports Wagon
1.Use a screwdriver to press out the cover at
the clips, see arrows, and fold it downward.
2.Fold away the foam insulating material.3.Release the bulb holder at the clip, see
arrow, and remove.
4.Apply gentle pressure to the bulb while
turning it to the left for removal and replace-
ment.
5.Re-engage the bulb holder so that it audibly
clicks into place.
6.Reattach the trim of the tailgate.
License plate lamp
C5W bulb, 5 watts
1.Using a screwdriver, push the lamp to the
right in the flap of the lamp housing.
2.Take out the lamp towards the left and
change the bulb.
3.Insert the lamp.
Center brake lamp
This lamp uses LED technology for operation.
In the event of a malfunction, please contact
your BMW center or a workshop that works
according to BMW repair procedures with cor-
respondingly trained personnel.

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Changing wheels
Your BMW is equipped with Run-Flat Tires as
standard. This removes the need to change a
wheel immediately in the event of a puncture.
For information on continuing to drive with a
damaged tire, refer to Indication of a flat tire on
page91.
The symbol identifying Run-Flat Tires is a circle
with the letters RSC on the sidewall, refer to
Run-Flat Tires, page212.
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. Refer
also to New wheels and tires, page212.
The tools for changing wheels are avail-
able as optional accessories from your
BMW center.<
Jack mounting points
The jacking points are at the positions shown in
the illustration.
Vehicle battery
Battery care
The battery is 100 % maintenance-free, the
electrolyte will last for the life of the battery
when the vehicle is operated in a temperate cli-
mate. Your BMW center will be glad to advise in
all matters concerning the battery.
Charging the battery
Only charge the battery in the vehicle via the
terminals in the engine compartment with the
engine off. Connections, refer to Jump starting
on page230.
Disposal
Have old batteries disposed of by your
BMW center or hand them in to a recy-
cling center. Maintain the battery in an upright
position for transport and storage. Always
secure the battery against tipping over during
transport.<
Power failure
After a temporary power loss, the functioning of
some equipment may be limited and require
reinitialization. Individual settings may likewise
have been lost and will have to be programmed:
>Time and date
These values must be updated, refer to
page80.
>Radio
In some cases, stations may have to be
stored again, refer to page162.
>Navigation system
Operability must be waited for, refer to
page130.
>Panorama glass roof
It may only be possible to raise the sunroof,
if applicable. The system must be initialized.
Please contact your BMW center.
>Seat and mirror memory
The positions must be stored again, refer to
page48.
>Inside rearview mirror with digital compass
The system must be calibrated, refer to
page109.
Fuses
Never attempt to repair a blown fuse and
do not replace a defective fuse with a sub-
stitute of another color or amperage rating, oth-
erwise this could lead to a circuit overload, ulti-
mately resulting in a fire in the vehicle.<

Replacing components
228 Open the cover in the glove compartment and
remove it.
Spare fuses and a pair of plastic forceps are set
in holders on the distributor box.
See the rear of the cover for information on fuse
assignment.