2000 BMW 540I SEDAN change time

53n
RepairsIndexOverview Controls Car care Technology Data
BMW sports seat
*
BMW active seat*
Correct sitting postureTo reduce strain on the spinal column,
sit all the way back in the seat and rest
your back fully against the backrest.
The ideal sitting posture is achieved
with your head extending from your
spine in a straight line.
For long-distance driving, you may wish
to increase the backrest tilt-angle
slightly to reduce muscular tension.
Please remember that you should
always remain able to grasp the entire
periphery of the steering wheel without
straightening your arms.
Head restraintsTo adjust the angle of the front head
restraints: Adjust by tilting the head
restraint.
To adjust the height of the rear head
restraints: Adjust by pulling or applying
pressure.
Head restraints reduce the risk of
spinal injury in the event of an
accident. Adjust the head restraint so
that its center is approximately level
with your ears.
Leave the center-rear head restraint in
the fully-lowered position at all times,
since pulling it out limits its function.< 39mde051
Active changes in the seat's surface
help to avoid muscle cramps, pain in
the spine's lumbar region and fatigue.
To activate the seat, press the button
(arrow).
For additional details concerning the
BMW active seat, please refer to the
chapter describing "Advanced technol-
ogy" on page 190.390de629

88n
Onboard computerMode selectionFrom ignition key position 1 and up, you
can call up information from the on-
board 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: Outside temperature, average
fuel consumption, cruising range, aver-
age speed.
Starting with ignition key position 1, the
last active setting is displayed.
The range of available displays varies
according to your individual car's
equipment.390de336
Outside temperature and
average fuel consumptionYou can change the units of measure
(6/7) for the outside temperature dis-
play by
1 pressing and holding the trip odome-
ter reset button (in ignition key posi-
tion 1)
2 and then turning the ignition key to 0.
Refer also to page 82.390us126
Operating range and
average speed The computer bases its calculations of
the cruising range on the rate of fuel
consumption in the period immediately
preceding your data request.
The computer ignores any time spent
with the vehicle stationary and the
engine off in its average speed calcula-
tions.390us703

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RepairsIndexOverview Controls Car care Technology Data
The conceptThe BMW Universal Transmitter re-
places up to three hand-held transmit-
ters that control different devices such
as a garage door opener, alarm sys-
tems or a door locking system. The
BMW Universal Transmitter recognizes
and "learns" the transmitted signal from
each of the original hand-held transmit-
ters.
The signal of an original hand-held
transmitter can be programmed to one
of three channel keys. Following that,
each of the devices can be operated
with the channel key that you have pro-
grammed for it. A transmission of the
signal is indicated by the indicator lamp.
Before you sell your vehicle, the pro-
grammed channel keys should be de-
leted. Refer to page 107 for the de-
scription of this process.
To prevent potential injuries or
damage: During the programming
operation and before every remote trig-
gering of a programmed device using
the BMW Universal Transmitter, be sure
that there are no persons, animals or
objects within the range of movement
of the respective device. Read and
comply with the safety instructions for
the original hand-held transmitter
also.<
To Canadian residents:
During programming, your hand-
held transmitter may automatically stop
transmitting after two seconds. This
may not be long enough to program the
BMW Universal Transmitter. If you are
programming from one of these hand-
held transmitters, the Universal Trans-
mitter's lamp may begin to flash in a se-
ries of double flashes. If this occurs,
continue to hold the button on the Uni-
versal Transmitter while you reactivate
your hand-held transmitter. You may
have to repeat this function several
times while programming.<
Before programming, read the
"User's information" section on
page 107.<
The original hand-held transmitter
If this symbol is depicted on the
packaging or in the user's in-
structions for the original hand-
held transmitter, it may be assumed
that this original hand-held transmitter
is compatible with the BMW Universal
Transmitter.
Checking for the change codeIn order to determine whether the origi-
nal hand-held transmitter is equipped
with a change code system, you may
either refer to the instructions for the
original hand-held transmitter or pro-
gram a channel key as described in the
left column on page 106 under "Pro-
gramming."
Following that, press and hold the pro-
grammed channel key of the BMW Uni-
versal Transmitter. If the indicator lamp
of the BMW Universal Transmitter
flashes rapidly for two seconds and
then stays on continuously, the original
hand-held transmitter is equipped with
a change code system. If the change
code system is available, program the
channel keys as described in the right-
hand column on page 106 under "Pro-
gramming a hand-held transmitter with
change code."
If you have additional questions,
please consult your BMW center
or call 1-800-355-3515.<
BMW Universal Transmitter
*

132n
Winter operation Power steering Level control system
*
Skid controlRelease the accelerator pedal and
depress the clutch pedal. Countersteer
carefully and attempt to regain control
of the vehicle.ParkingEngage 1st or reverse gear. If your car
is equipped with an automatic transmis-
sion, place the selector lever in "Park."
On vehicles with manual transmission,
also apply the parking brake when
parking on inclined surfaces. In order to
prevent the parking brake linings from
locking due to frost or corrosion, dry
them by gently applying the parking
brake as the vehicle is coming to a
stop. Make sure that following traffic is
not endangered.
The brake lamps do not come on
when the parking brake is
applied.<
If there is a change in steering behavior,
for instance greater steering effort or if
steering becomes lighter as speed
increases in vehicles equipped with
Servotronic
*:
Contact your BMW center immediately
for an inspection.
If the power steering fails,
increased effort will be required
to steer the vehicle.<
The warning lamp for the level
control system comes on, or the
message "LEVEL CONTROL
INACTIVE" appears in the Check Con-
trol: There is a malfunction in the level
control system.
Stop and inspect the vehicle. If it is
riding significantly lower in the rear than
in the front, or if it is sitting at an incline
(left rear compared to right rear),
consult the nearest authorized BMW
center. Drive with appropriate caution
in the meantime. The vehicle has
reduced ground clearance or driving
comfort is noticeably reduced.
Even if the attitude of the vehicle is
normal, you should consult the nearest
authorized BMW center if the warning
lamp indicates a system fault.

139n
RepairsIndexOverview Controls Car care Technology Data
Winter tires Snow chains
*
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 pressureWinter tires display a perceptible loss in
their ability to cope with winter driving
conditions once the tread wears to be-
low 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.
StorageStore tires in a cool, dry place, away
from light whenever possible. Protect
the tires against contact with oil, grease
and fuel.Use narrow-link BMW snow chains
on
summer or winter tires only in pairs and
only on the rear wheels. Comply with all
manufacturer's safety precautions when
mounting the chains.
It is not possible to mount snow
chains on tires with 17-inch
wheels.<

152n
Coolant Brake fluidAdding coolantWait until the engine cools before re-
moving the cap from the expansion
tank. The needle of the coolant gauge
in the instrument cluster must be lo-
cated in the blue zone; otherwise, there
is a danger of scalding.
1 Start by turning the cap counter-
clockwise. Pause to allow any
accumulated pressure to escape,
then open.
2 If the coolant is low, slowly add
coolant until the correct level is
reached Ð do not overfill.
The coolant is a mixture of water and
extended-duty antifreeze with corrosion
inhibitor. Always maintain the pre-
scribed all-season 50:50 mixture ratio
for year-round protection against inter-
nal corrosion. No other additives are re-
quired.
Replace the coolant every four years.If the indicator lamp for the
brake hydraulic system appears
or if the "CHECK BRAKE FLUID"
warning appears in the Check
Control: The brake fluid level is
too low in the reservoir.
The brake fluid reservoir is located
under the microfilter housing on the
driver's side of the car. Should you de-
termine that the brake fluid is low, refer
the problem to your BMW center, who
can trace and rectify any sources of
leakage when refilling the reservoir.
Your BMW center is familiar with the
specifications for approved brake fluids
(DOT 4).
Brake fluid loss results in extended
pedal travel. For this situation, refer to
the notes on page 130.
Brake fluid is hygroscopic, that is,
it absorbs moisture from the air
over time.
In order to ensure the safety and
reliability of the brake system, have the
brake fluid changed every two years by
an authorized BMW center. Refer also
to the Service and Warranty Information
Booklet (US models) or to the Warranty
and Service Guide Booklet (Canadian
models).
Brake fluid is toxic and damages the
vehicle's paint. You should always store
it in its original container and in a loca-
tion which is out of reach of children.
Do not spill the fluid and do not fill the
brake fluid reservoir beyond the "MAX"
mark. The brake fluid could ignite upon
contact with hot engine parts and cause
serious burns.<
Comply with the applicable
environmental laws regulating the
disposal of brake fluid.<

154n
The BMW Maintenance System has
been designed as a reliable means of
providing maximum driving and operat-
ing safety Ð and as cost-effectively as
possible for you.
Please keep in mind that regular main-
tenance is not only necessary for the
safety of your vehicle, but also plays a
significant role in maintaining the resale
value of the vehicle.
Service Interval DisplayAdvanced technology is employed to
calculate the optimal maintenance in-
tervals, which are then indicated in the
Service Interval Display. While conven-
tional systems rely on distance traveled
alone to determine when service is due,
the BMW Maintenance System has for
years considered the actual conditions
under which the vehicle operates, be-390us702
cause mileage can be accumulated in
very different ways.
From the point of view of maintenance,
62,000 miles (100,000 km) accumulated
in short-distance urban driving are not
the equivalent of the same distance
covered at moderate speeds in long-
distance highway travel.
In response to this fact, the BMW Main-
tenance System monitors operating
conditions as the basis for determining
the optimum service intervals for your
individual vehicle.
The BMW Maintenance System in-
cludes the Engine Oil Service and In-
spections I and II.
Determining the maintenance intervals
according to the actual loads on the car
covers every kind of operating situation.
However, even those who drive only
short distances Ð significantly less than
6,000 miles (10,000 km) annually Ð
should have the engine oil changed at
least every 2 years since oil deteriorates
over time, regardless of use.
Service and Warranty Information
Booklet (US models) or Warranty
and Service Guide Booklet (Cana-
dian models)Please refer to the Service and War-
ranty Information Booklet (US models)
or to the Warranty and Service Guide
Booklet (Canadian models) for addi-
tional information on maintenance inter-
vals and procedures.
As a precaution against rust, it might be
a good idea to have the body checked
for damage from rocks or gravel at the
same time, depending upon operating
conditions.
Have your BMW center do the
maintenance and repair.
Your BMW center is always informed on
the latest maintenance work and repair
techniques and equipped with the re-
quired special tools. In addition, check-
ing parts known from experience to be
subject to wear is a permanent part of
the maintenance specifications.
Be sure that all maintenance work is
confirmed in the Service and Warranty
Information Booklet (US models) or in
the Warranty and Service Guide Book-
let (Canadian models).
These entries will constitute your proof
that the vehicle has received regular
maintenance. They are also required in
the event of a warranty claim.<
The BMW Maintenance System

190n
Radio reception BMW active seat
*
AM provides substantially longer recep-
tion ranges than FM. AM broadcast
signals, propagated at ground level in
the form of surface waves, are also
reflected from the ionosphere as
atmospheric waves.
Frequency-modulation (FM) provides
substantially better sound quality than
AM. However, because FM transmis-
sions rely on line-of-sight broadcast
waves, their effective reception range is
limited.360de084
Although numerous factors combine
to impose inherent limitations on the
reception quality available from mobile
radios, specially designed systems can
be employed to minimize their effects:
The Diversity Antenna system employs
several FM antennas integrated within
the rear window to provide three sepa-
rate sources for receiving broadcast
waves. An integral processor automati-
cally selects the antenna with the best
FM reception quality at any given time.
Because the ongoing antenna selection
process is completed within milli-sec-
onds, it remains inaudible to the radio
listener.BMW seats are configured for your
orthopedic well-being. The active seat
is an engineering enhancement of
BMW's seats, designed to ensure less
fatigue during extended trips while
sitting with little movement. The seat is
no longer a passive element between
the road, the running gear and the pas-
senger. Instead, it creates minor and
imperceptible shifts in your weight by
an active change in the contour of the
seat surface. The basic seat position is
not changed as this occurs.
Fluid cushions are located below the
surface of the seat in the seat's
upholstery on the left and right. The
fluid is circulated slowly back and forth
between the two cushions by means of
a pump. This causes a movement of the
spinal column which is nearly unnotice-
380de676