fuel BMW 320i 2001 User Guide

38n
Opening and closing Ð from the inside Use this button to operate the central
locking system when the front doors
are closed. The doors and luggage
compartment lid are unlocked or locked
only. The antitheft alarm system is not
activated.
If only the driver's door was
unlocked from the outside and
you press on the button, then all the
other doors, luggage compartment lid
and the fuel filler door will unlock if the
driver's door is open.
The driver's door will be locked if it is
closed.<
If you desire, the central locking
system will secure the locks as
soon as you start to drive. This can be
adjusted to be key-specific.<460us007
To unlock and open the doors>Either unlock the doors together with
the button for the central locking
system and then pull each of the
release handles above the armrests
or
>pull the release handle for each door
twice: the first pull unlocks the door,
and the second one opens it.
To engage the locks>Use the central locking button to lock
all doors at once
or
>press the individual safety lock
buttons down. The fuel filler door
then remains unlocked. As an added
design feature to prevent the driver
from being inadvertently locked out
of the vehicle, the driver's door safety
lock button will not engage as long as
the door is open.
Children might be able to lock the
doors from the inside. For this
reason, always take the vehicle's keys
with you so that the vehicle can be
opened again from the outside at any
time.<

74n
1 Odometer You can activate the displays shown in
the illustration with the ignition key in
position 0 by pressing the button in the
instrument cluster (arrow).2 Trip odometerTo reset the trip odometer to zero,
press the button (arrow) with the igni-
tion key in position 1 and up.460us144
Avoid engine speeds in the red warning
zone of the gauge.
To protect the engine, the fuel supply is
automatically interrupted in this zone;
you will notice a loss of power.460us079
Indicates the current fuel consumption
in mpg (in l/100 km on Canadian vehi-
cles). You can check your current
driving style to see whether it is condu-
cive to economy and minimum exhaust
emissions.
When the vehicle is stationary, the
display goes to "Maximum" (zero on
Canadian models).460us080
Odometer Tachometer Energy Control

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IndexDataTechnologyRepairsCar careControlsOverview
Fuel gauge Temperature gauge Service Interval Display When you switch on the ignition, the
indicator lamp comes on briefly to
confirm that the system is stationary.
Once the indicator lamp begins to light
up continuously, there are still approx.
2 gallons (8 liters) of fuel in the fuel
tank.
Tank capacity: refer to page 195.
If the tilt of the vehicle varies (extended
driving in mountainous areas, for
example), there may be slight fluctua-
tions of the needle.
Fill the fuel tank well before it is
empty. Driving to the last drop of
fuel can result in damage to the engine
and/or the catalytic converter.<460us081
BlueThe engine is still cold. Drive at
moderate engine and vehicle speeds.RedWhen you switch on the ignition, the
indicator lamp comes on briefly to
confirm that the system is operational.
If the lamp comes on while operating
the vehicle: the engine is overheated.
Stop and switch the engine off immedi-
ately and allow it to cool down.Between the blue and red zonesNormal operating range. It is not
unusual for the needle to rise as far as
the edge of the red zone in response to
high outside temperatures or severe
operating conditions. Checking coolant
level: refer to page 142.460de082
Remaining distance for serviceThe displays shown in the illustration
appear for a few seconds from ignition
key position 1 or after the engine is
started.
The next service due appears with the
message OILSERVICE or INSPECTION,
together with the remaining distance
before the service is due.
The computer bases its calculations of
the remaining distance on the previous
driving style.
A flashing message and a "Ð" in front of
the number mean that the service
interval has already been exceeded by
the distance shown on the display.
Please contact your BMW center for an
appointment.460us112

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IndexDataTechnologyRepairsCar careControlsOverview

Computer

*
Mode selection

From ignition key position 1, you can
call up information from the computer
using the button in the turn signal lever.
By pressing the button briefly in the
direction of the steering column, you
can call up a new function for display.
The displays appear in the following
order:
Time of day, outside temperature,
average fuel consumption, cruising
range, average vehicle speed.
The function that was last selected will
be displayed when the ignition is
switched on.460de084

Outside temperature

You can change the units of measure-
ment for the outside temperature
display (

6

/

7

) by pressing the right-
hand reset button in the instrument
cluster when the temperature display is
active.
460us146

Ice warning

If the outside temperature drops to
approx. +37.5

7

(+3

6

), the computer
switches automatically to the outside
temperature display. In addition, a
signal sounds as a warning and the
display flashes for a brief period.
The warning is repeated whenever the
temperature has reached at least
+43

7

(+6

6

) following the last
warning and then drops back to
+37.5

7

(+3

6

).
The ice warning does not alter the
fact that surface ice can form at
temperatures above +37.5

7

(+3

6

),
on bridges or shaded road surfaces, for
instance.

<

78n
Computer
*
Average fuel consumption If you continue to hold the button on the
turn signal lever, the average fuel
consumption last displayed is recalcu-
lated from that point.460us296
Range The computer bases its calculations of
the cruising range on the previous
driving style and the amount of fuel
remaining.460us148
Average speed If you continue to hold the button on the
turn signal lever, the average fuel
consumption last displayed for that
speed is recalculated from that point in
time.
Any time spent when the vehicle is
stationary and the engine is shut off is
ignored for the calculation.460us149

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IndexDataTechnologyRepairsCar careControlsOverview
Cargo loading Roof-mounted luggage rack
*
Always position and secure the
load correctly. If you do not, it can
endanger the passengers during brak-
ing or evasive maneuvers.
Do not exceed the permissible gross
vehicle weight and the permissible axle
loads (refer to page 194). If you do, the
operating safety of the vehicle is no
longer ensured and you are in violation
of the law.
Do not carry hard or heavy objects
unsecured in the passenger compart-
ment. If you do so, they may be
projected through the air during braking
and evasive maneuvers, thus
endangering vehicle occupants.<
AnchorsAccess to the anchors:
To open the cover (arrow), please use
the tool included with the luggage rack
system.
A special roof-rack system is available
for your BMW as an optional extra.
Please comply with the precautions in-
cluded with the installation instructions.
Because roof racks raise the center of
gravity of the vehicle when loaded, they
exercise a major effect on its handling
and steering response.
You should therefore always remember
not to exceed the approved roof weight,
the approved gross vehicle weight or
the axle weights when loading the rack.
You will find the specifications under
"Technical Data" on page 194.462de271
Make sure that the load is not too heavy,
and attempt to distribute it evenly.
Always load the heaviest pieces first (on
the bottom). Be sure that adequate
clearance is maintained for raising the
sliding/tilt sunroof, and that objects do
not project into the opening path of the
luggage compartment lid.
Secure the roof luggage correctly and
securely to prevent it from shifting or
being lost during driving (danger to
following traffic).
Drive smoothly and avoid sudden ac-
celeration or braking. Do not corner at
high speeds.
The roof load increases the aerody-
namic resistance. Increased fuel
consumption and additional stresses
on the vehicle's body result from this.

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IndexDataTechnologyRepairsCar careControlsOverview
Brakes:
Do not drive with your foot resting
on the brake pedal. Even light but
consistent pedal pressure can lead to
high temperatures, brake wear, and
possibly to brake failure.
Aquaplaning:
Reduce your speed when you drive on
wet or slushy roads. If you do not, a
wedge of water can form between the
tires and the road surface. This
phenomenon is referred to as aqua-
planing or hydroplaning. It is character-
ized by a partial or complete loss of
contact between the tires and the road
surface. The ultimate results are loss of
steering and braking control.
Driving through water:
Do not drive through water that is
deeper than 1 foot (30 cm). If you must
drive through water accumulations up
to that depth, drive only at walking
speed. Driving at a faster speed could
cause damage to the engine, the elec-
trical systems and the transmission.
Package tray:
Never use the rear window shelf to
store heavy or bulky objects. If you do
so, such objects could pose the risk of
injury to vehicle occupants during
braking or evasive maneuvers or in a
crash.
Clothes hooks:
When suspending clothing from the
hooks, be sure that they will not
obstruct the driver's vision. Do not hang
heavy objects on the hooks. If you do
so, such objects could pose the risk of
personal injury during braking or
evasive maneuvers. exhaust emissions, and is designed for
use with unleaded fuel only.
Even minute quantities of lead would be
enough to permanently damage both
the catalytic converter and the system
oxygen sensor.
To ensure efficient, trouble-free engine
operation and avoid potential damage:
>Be sure to comply with the scheduled
maintenance requirements.
>Fill the fuel tank well before it is
empty.
>Tow-start only when the engine is
cold. If you attempt to tow-start with
a warm engine, unburned residual
fuel in the catalytic converter could
ignite and cause damage. It is better
to jump-start the vehicle with outside
assistance.
>Avoid other situations in which the
fuel is not burned, or burns incom-
pletely, such as engaging the starter
frequently or for extended periods, or
repeated start attempts in which the
engine does not start (stopping and
restarting an engine which is running
properly does not present a problem).
Never allow the engine to run with
any of the spark plug cables discon-
nected.
Driving notes Catalytic converter

118n
Catalytic converter Antilock Brake System (ABS)
Be sure to comply with the
instructions above to prevent
unburned fuel from reaching the cata-
lytic convertor. If you do not, the cata-
lytic converter could respond by
overheating, leading to serious
damage.
Extreme temperatures occur at the
catalytic converter on this and every
catalyst-equipped vehicle. Heat shields
are installed adjacent to some sections
of the exhaust system. Never remove
these shields; do not apply under-
coating to their surfaces. When driving,
standing at idle, and parking the
vehicle, take extra care to avoid contact
between the exhaust system and flam-
mable materials (grass, hay, leaves,
etc.). Such contact could lead to a fire,
resulting in serious personal injury and
property damage.<
The concept ABS enhances active safety by helping
to prevent the wheels from locking
under braking. This is because locked
wheels are dangerous. When the front
wheels slide, the driver loses steering
control over the vehicle. Traction loss at
the rear wheels can cause the rear end
to break into an uncontrolled skid.
The system can achieve the shortest
braking distances possible under most
conditions (on straight-aways and in
curves, on asphalt, ice, wet road
surfaces, etc.).
ABS is designed to meet two essential
requirements during every brake appli-
cation:
>To help provide vehicle stability
>To help maintain steering control and
maneuverability Ð on all types of road
surfaces (asphalt, concrete, mud, wet
road surfaces, snow, ice).Braking with ABSThe system becomes operative once
the vehicle exceeds a speed of approx.
6 mph (10 km/h). Below approx. 4 mph
(6 km/h), it is once again deactivated.
This means that the wheels can lock in
the final phase of a panic stop Ð a factor
of no significance in actual use.If you are in a situation that requires full
braking, you will exploit the full benefits
of the ABS system if you apply
maximum brake pressure ("panic
stop"). Since the vehicle maintains
steering responsiveness, you can avoid
possible obstacles with a minimum of
steering effort, despite the full brake
application.
The ABS system closed-loop control
circuit cycles in fractions of a second. A
pulsation at the brake pedal, together
with the sounds associated with the
hydraulic controls, tells you that the
brake system is within its maximum
limit range and reminds you that you
should adapt road speed to the road
conditions.
On road surfaces that have a loose
surface layer on a firm base with good
traction (on gravel or snow, for
example), or when snow chains are
mounted, braking distances may be
longer than with locked wheels.
However, ABS continues to provide
enhanced vehicle stability and steering
response under these conditions.
Information for your safetyNot even ABS can suspend the laws of
physics. ABS cannot prevent the

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IndexDataTechnologyRepairsCar careControlsOverview

Winter tires

Choosing the right tire

BMW recommends winter tires (M+S
radial tires) for driving in adverse winter
road conditions. Although all-season
M+S tires provide better winter traction
than standard summer tires with H, V,
W, Y and ZR speed ratings, they gener-
ally fail to provide the same levels of
performance as standard snow tires in
winter driving.
In the interest of safe tracking and
steering response, install winter tires
made by the same manufacturer having
the same tread configuration on all four
wheels.
Mount only winter tires approved by
BMW. Any BMW center will be glad to
provide you with information on the
best winter tires for your particular
driving conditions.

Do not exceed specified
maximum speeds

Never exceed the maximum speed
for which the tires are rated.
Unprofessional attempts by laymen to
service tires can lead to damage and
accidents.
Have this work performed by skilled
professionals only. Any BMW center
has the required technical knowledge
and the proper equipment and will be
happy to assist you.

<

Tire condition, tire pressure

Winter tires display a perceptible loss in
their ability to cope with winter driving
conditions once the tread wears to
below 0.16 inches (4 mm), and should
thus be replaced.
Comply with the specified tire inflation
pressures Ð and be sure to have the
wheel and tire assemblies balanced
every time you change the tires.

Storage

Always store tires in a cool, dry place.
Store them away from light whenever
possible. Protect the tires against
contact with oil, grease and fuel.

Snow chains

*
The use of narrow-link BMW snow
chains on winter tires is approved only
in pairs and only on the rear wheels.
BMW 325xi, 330xi: in a worst-case
scenario, if your vehicle is stuck on one
side or you cannot access one tire, then
a chain may be attached to one rear
wheel for a short period of time.
Comply with all manufacturer's safety
precautions when mounting the chains.

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IndexDataTechnologyRepairsCar careControlsOverview
Engine oilChecking the oil level 1 Park the vehicle on a level surface.
2 Shut the engine off after it has
reached normal operating tempera-
ture.
3 After approx. 5 minutes, pull the
dipstick 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 graduations on the dipstick.
As with fuel economy, oil consumption
is directly influenced by your driving
style and vehicle operating conditions.462de244
The space 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.460de189
To add oil Wait until the level has dropped to just
above the lower mark before adding oil.
However, never let the oil drop below
the lower mark.
BMW engines are designed to
operate without oil additives; the
use of additives could lead to damage
in some cases. This is also true for the
manual transmission, the automatic
transmission, the differential, and the
power steering system.<462de245