2003 BMW 325xi SEDAN fuel

76
Average fuel consumptionIf you continue to press and hold the
button on the turn signal lever, the aver-
age fuel consumption last displayed is
recalculated from that point in time.
If you wish, you can have the aver-
age fuel consumption displayed in
a different unit of measure. the cruising range on the operating
conditions in the preceding period and
on the remaining fuel in the tank.
It is important that you refuel when
the cruising range falls below
approx. 35 miles/50 km. Otherwise, the
engine cannot be guaranteed to oper-
ate properly and damage may result.<
Average speedIf you continue to press and hold the
button, the average speed last dis-
played is recalculated from that point in
time.
Any time spent when the vehicle is sta-
tionary and the engine is shut off is
ignored for the calculation.
Computer*

110
Roof-mounted luggage rack*A special roof-rack system is available
as an optional extra for your BMW.
Please observe the precautions
included with the installation instruc-
tions.AnchoragesAccess to the anchorages:
To fold up the cover – see arrow –
please use the tool provided with the
roof-rack system.Loading and driving notesRoof-mounted luggage racks raise the
center of gravity of the vehicle when
they are loaded. For this reason, they
exercise a major effect on the vehicle's
handling and steering response.
You should therefore always remember
not to exceed the approved roof load
capacity, the approved gross vehicle
weight or the axle loads when loading
the rack. These weights are listed under
Technical data on page 154.
Make sure that the load is not too
heavy, and attempt to distribute it
evenly. Always load the heaviest pieces
first so that they are at the bottom. Be
sure that adequate clearance is main-
tained for raising the sliding/tilt sunroof,
and that objects do not project into the
opening path of the luggage compart-
ment lid.
Secure the roof-mounted luggage cor-
rectly and securely to prevent it from
shifting or being lost during driving.
Drive smoothly and avoid sudden
acceleration and braking. Do not corner
at high speeds.
The roof-mounted luggage rack and the
roof load increase the aerodynamic
resistance: increased fuel consumption
and additional stress on the vehicle's
body are the result.

120
Wheel and tire combinationsThe right choice
BMW recommends using only
wheels and tires that have been
approved by BMW for use on your par-
ticular model. Although other wheels
and tires may theoretically have the
same dimensions, variations in factors
such as manufacturing tolerances can
result in contact between tire and body-
work, ultimately leading to serious acci-
dents. BMW cannot evaluate all tires
and wheels on the market, and is thus
unable to guarantee that the vehicle will
continue to perform safely if unap-
proved tires and/or wheels are
mounted.<
For each tire size, BMW has assessed
the safe performance of specific tire
brands and approved them for use.
Consult any BMW center for details.
Comply with any local/national regula-
tions, for example by recording the tire
type in the vehicle documents.
The correct wheel-tire combina-
tion affects various systems such
as ABS, ASC+T/DSC and ADB/
ADB-X/DBC. The function of these sys-
tems is impaired if improper wheel-tire
combinations are used.
For this reason, use only tires of the
same manufacture and tread configura-
tion. In the event of a flat tire, for exam-
ple, remount the approved wheel and
tire combination as soon as possible.<
StorageStore tires in a cool, dry place, protect-
ing them against light whenever possi-
ble. Protect the tires against contact
with oil, grease and fuel.
Winter tiresChoosing the right tireBMW recommends winter tires – M+S
tires – for operation under inclement
winter driving conditions. While all-sea-
son tires – M+S designation – provide
better winter traction than the corre-
sponding summer tires, they generally
do not achieve the performance of win-
ter tires.
In the interest of safe tracking and
steering response, install winter tires
made by the same manufacturer and
having the same tread configuration on
all four wheels.
Never exceed the maximum
speed for which the winter tires
are rated.
Unprofessional attempts by laymen to
service tires can lead to damage and
accidents.
Have this work performed by trained
professionals only. Any BMW center
has the required technical knowledge
and the proper equipment and will be
happy to assist you.<

126
Washer fluidsHeadlamp* and windshield
washer systemCapacity approx.
5.6 US quarts/5.3 liters
Fill with water and – if required – with a
washer antifreeze additive according to
manufacturer's recommendations.
We recommend that you mix the
washer fluid before adding it to
the reservoir.<
Antifreeze agents for the washer
fluid are highly flammable. For this
reason, keep them away from sources
of flame and store only in original con-
tainers. Store them inaccessible to chil-
dren. Comply with the instructions on
the containers.<
Engine oilChecking the oil level1. Park the vehicle on a level surface
2. Switch the engine off after it has
reached normal operating tempera-
ture
3. After approx. 5 minutes, pull the dip-
stick out and wipe it off with a clean
lint-free cloth, paper towel, or similar
material
4. Carefully push the dipstick all the
way into the guide tube and pull it
out again
5. The oil level should be between the
two marks on the dipstick.
As with fuel economy, oil consumption
is directly influenced by your driving
style and vehicle operating conditions.
The oil volume between the two marks
on the dipstick corresponds to approx.
1.1 US quarts/1 liter. Do not fill beyond
the upper mark on the dipstick. Excess
oil will damage the engine.

132
engine misfiring for even a short period
of time can seriously damage emission
control system components, especially
the catalytic converter.
SERVICE ENGINE SOON warn-
ing lamp for Canadian models.
If the fuel filler cap is not on tight
enough, the OBD system can
detect leaking vapor and the indicator
will light up. If the fuel filler cap is then
tightened, the indicator will usually go
out after a short period of time.

152
Engine data
BMW 320i BMW 325i, 325xi BMW 330i, 330xi
Displacement
Number of cylinderscu in/cm
3
132.5/2,171
6152.2/2,494
6181.8/2,979
6
Maximum power output
at engine speedhp/kW
rpm168/124
6,100184/135
6,000225/165
5,900
Max. torque
at engine speedlb ft/Nm
rpm155/210
3,500175/237
3,500214/290
3,500
Compression ratioε10.8 10.5 10.2
Stroke
Borein/mm
in/mm2.83/72
3.15/802.95/75
3.31/843.53/89.6
3.31/84
Fuel-injection system Digital electronic engine-management
system (DME)
BMW 325xi, 330xi: power can be tested only on a suitable dynamometer.

155
Capacities
Notes
Fuel tank
Reserve gal./liters
gal./litersapprox. 16.6/63
approx. 2.1/8Fuel specification, refer to page 25
Windshield/
Headlamp washer reservoirquarts/liters approx. 5.6/5.3 Specifications, refer to page 126
Cooling system including heater circuit quarts/liters approx. 8.9/8.4 Specifications, refer to page 128
Engine oil and filter change quarts/liters 320i, 325i, 330i:
approx. 6.9/6.5
325xi, 330xi:
approx. 6.6/6.2BMW High Performance
Synthetic Oil
Specifications, refer to page 126
Manual and automatic transmission,
transfer box and differential–Lifetime lubricant, no oil change
required
OverviewControlsMaintenanceRepairsDataIndex

Everything from A to ZA
ABS Antilock Brake System
18, 115
Accessories 5
Activated-charcoal filter 100
ADB Automatic Differential
Braking 78
Adding brake fluid 129
Air conditioning 92, 98
Air distribution 94, 98
Air nozzles 92, 96
Air outlets 92, 96
Air pressure 117
check 25
Air supply 94, 98
Airbags 19, 53
Alarm system 38
Antifreeze 128
Antilock Brake System (ABS)
18, 115
Anti-theft system 38
Armrest 102
ASC+T Automatic Stability
Control plus Traction 18,
19, 78
Ashtray
front 104
rear 105
AUC Automatic recircu-
lated-air control 99Automatic car wash, refer to
the Caring for your vehicle
brochure
Automatic climate control 96
Automatic cruise control 69
Automatic Differential Brak-
ing (ADB) 78
Automatic dimming, interior
rearview mirror 52
Automatic headlamp
control 89
Automatic recirculated-air
control (AUC) 99
Automatic Stability Control
plus Traction (ASC+T) 18,
19, 78
Automatic transmission with
Steptronic 19, 64
Average fuel
consumption 76
Average speed 76
Avoiding unintentional
alarms 39
Axle loads 154
B
Backrest, adjusting 45
Backup lamps 63
replacing bulb 139
Battery
charge 146
discharged 146Battery charge current 18
Belts 47
Beverage holder 102, 103
Blower 94, 98
BMW High Performance
Synthetic Oils 127
BMW sports seat 45
Bore 152
Bottle holder, see Beverage
holder 102
Brake hydraulic system 18
Brake lamps
replacing bulb 139
Brake pads 19
Brake, parking 62
Brakes
malfunctions 116
Break-in procedures 114
Bulb, replacing 137
C
California Proposition 65
warning 131
Can holder, see Beverage
holder 102
Capacities 155
Car care, refer to the Caring
for your vehicle brochure
Car radio
refer to the Owner's Man-
ual for RadioCar telephone
refer to the separate
Owner's Manual
Car vacuum cleaner, con-
necting 104
Car wash, refer to the Caring
for your vehicle brochure
Cargo loading 108
Cassette player operation,
refer to the Owner's Man-
ual for Radio
Cassette player operation,
see Owner's Manual for
Radio
CBC Cornering Brake
Control 18, 115
CD player operation, refer to
the Owner's Manual for
Radio
Cellular phone 104
Center armrest 102
Center high-mount brake
lamp 140
Central locking system 30
button 34
Changing a wheel 141
Charge indicator lamp 18
Check Control 73
Child-restraint mounting
system (LATCH) 57
Cigarette lighter 104
Cleaning windshield 69