2001 BMW 540I SEDAN oil pressure

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Page 12 of 238

BMW 540I SEDAN 2001 Owners Manual
Contents

Operation, care and maintenance
Owner service procedures
Advanced technology

Under the hood:

Hood159
Engine compartment160
Washer fluids164
Washer nozzles164
Engine oil165
Coolant167

Page 19 of 238

BMW 540I SEDAN 2001 Owners Manual
IndexDataTechnologyRepairsCar careControlsOverview

19n

Instrument cluster

There are two versions, depending on
the equipment on your vehicle.
1 Fuel gauge with indicator lamp for
fuel reserve

Page 21 of 238

BMW 540I SEDAN 2001 Owners Manual IndexDataTechnologyRepairsCar careControlsOverview
21n

Instrument cluster

*
There are two versions, depending on
the equipment on your vehicle.
1 Fuel gauge with indicator lamp for
fuel reserv

Page 22 of 238

BMW 540I SEDAN 2001 Owners Manual 22n
Indicator and warning lampsTechnology that monitors itselfMany of the systems of your BMW
monitor themselves automatically, both
during engine starts and while you are
driving. Indicator and wa

22n
Indicator and warning lampsTechnology that monitors itselfMany of the systems of your BMW
monitor themselves automatically, both
during engine starts and while you are
driving. Indicator and warning lamps
that are identified by "l" are tested for
proper functioning whenever the igni-
tion key is turned. They each light up
once for different periods of time.
If a fault should occur in one of these
systems, the corresponding lamp does
not go out after the engine is started or
it lights up while the vehicle is moving.
You will see how to react to this below.
Red: stop immediately
Battery charge current l
The battery is no longer being
charged. There is a malfunction
of the alternator V-belt or in the charg-
ing circuit of the alternator. Please con-
tact the nearest BMW center.
If the ribbed V-belt is defective, do
not continue driving. The engine
could be damaged due to overheating.
If the ribbed V-belt is defective, in-
creased steering effort is also re-
quired.<
Engine oil pressure l
Comes on while the engine is
running and the "STOP!ENGINE
OILPRESS" message appears in the
Check Control: stop vehicle immedi-
ately and switch off engine. Check level
of oil in engine, top up as required. If oil
level is correct: please contact the
nearest BMW center.
Do not continue driving. The en-
gine could be damaged because
of inadequate lubrication.<
Tire Pressure Control (RDC)
* l
In addition, there is an acousti-
cal warning signal: a tire failure
has occurred. Reduce vehicle speed
immediately and stop the vehicle. Avoid
hard brake applications. Do not over-
steer. For additional information: refer
to page 103.
Parking brake
*,
brake hydraulic system l
Comes on when you engage the
parking brake. For additional informa-
tion: refer to page 70.
Comes on although the parking brake is
released: have the brake fluid level
checked. Before driving further, be
sure to read the notes on pages 146
and 168.
Also comes on with the message
"CHECK BRAKE PADS" in the Check
Control.
Parking brake* warning lamp/
Brake hydraulic system for
Canadian models.

Page 23 of 238

BMW 540I SEDAN 2001 Owners Manual IndexDataTechnologyRepairsCar careControlsOverview
23n
Indicator and warning lampsRed: an important reminder
Parking brake
*
Comes on when you engage the
parking brake.
For additional information: r

IndexDataTechnologyRepairsCar careControlsOverview
23n
Indicator and warning lampsRed: an important reminder
Parking brake
*
Comes on when you engage the
parking brake.
For additional information: refer to
page 70.
Parking brake
* warning lamp
for
Canadian models.
Please fasten safety belts l
Together with an acoustic signal
or a message
* in the Check
Control. Comes on until the safety belts
are fastened. For additional information
on safety belts: refer to page 61.
Airbags l
Please have the system in-
spected by your BMW center.
For additional information: refer to
page 62.
Yellow: check as soon as possible
Antilock Brake System (ABS) l
ABS has been deactivated in
response to system malfunction.
Conventional braking efficiency is avail-
able without limitations. Please have
the system inspected by your BMW
center.
For additional information: refer to
page 143.
Antilock Brake System (ABS)
warning lamp for Canadian
models.
Engine oil level
*
Comes on while driving: the oil
level is at the absolute mini-
mum; refill as soon as possible. Do not
drive more than approx. 30 miles
(50 km) until you add oil.
For additional information: refer to
page 165.
Engine oil level
*
Comes on after the engine has
been shut off: add oil at the
earliest opportunity (when you stop to
refuel).
For additional information: refer to
page 165.
Automatic transmission
*
Because of a malfunction, the
automatic transmission shifts
only in the emergency program. Please
consult the nearest BMW center.
For additional information: refer to
pages 74, 77.
Brake pads
* l
Have the brake pads checked.
For additional information: refer
to page 146.
Dynamic Brake Control
(DBC)
* l
Fault in the DBC system. Con-
ventional braking efficiency is available
without limitations.
For additional information: refer to
page 145.
Dynamic Brake Control (DBC)
warning lamp for Canadian
models.
Tire Pressure Control (RDC)
* l
Check the tire inflation pressure.
Refer to pages 29, 103.
Level control system
* l
The level control system is
inactive. Please consult the
nearest BMW center.
For additional information: refer to
page 148.

Page 87 of 238

BMW 540I SEDAN 2001 Owners Manual IndexDataTechnologyRepairsCar careControlsOverview
87n
Check Control>RELEASE PARKINGBRAKE
>COOLANT TEMPERATURE
The coolant is overheated. Stop the
vehicle immediately and switch off
the engine. Refe

IndexDataTechnologyRepairsCar careControlsOverview
87n
Check Control>RELEASE PARKINGBRAKE
>COOLANT TEMPERATURE
The coolant is overheated. Stop the
vehicle immediately and switch off
the engine. Refer to pages 85
and 16 7.
>STOP!ENGINE OILPRESS
The oil pressure is too low. Stop the
vehicle immediately and switch off
the engine. Refer to page 22.
>CHECK BRAKE FLUID
Indicates that brake fluid is down to
roughly minimum level. Top up the
brake fluid at the next opportunity.
Refer to page 168. Have the source
of the brake fluid loss diagnosed and
corrected by your BMW center.
>TIRE DEFECT
*
Reduce vehicle speed immediately
and stop the vehicle. Avoid hard
brake applications. Do not oversteer.
Refer to page 104.
>SELFLEVEL SUSP.INACT
Please consult the nearest authorized
BMW center. Refer to page 148.
>SPEED LIMIT
*
Display if the programmed speed
limit has been exceeded.Priority 2
These displays appear for 20 seconds
when the ignition key is turned to posi-
tion 2. The warning symbols remain
after the message disappears. You can
display the messages again by pressing
the CHECK button 3:
>TRUNKLID OPEN
Message appears only when the
vehicle is initially set in motion.
>DOOR OPEN
This message appears after a mini-
mal defined road speed has been ex-
ceeded.
>FASTEN SEAT BELTS
*
In addition to this message, a
warning lamp with the safety belt icon
appears and an acoustical signal
sounds.
>WASHER FLUID LOW
Too low; top up fluid at the next
opportunity. Refer to page 164.
>CHECK ENGINE OIL LEV
The oil level is at the absolute mini-
mum, and therefore engine oil should
be added as soon as possible. Refer
to page 165. Until then, do not drive
more than approx. 30 miles (50 km)>CHECK FILLER CAP
Check that the filler cap is closed
correctly, refer to page 28. A loose or
missing cap will activate the message
"CHECK FILLER CAP" in the Check
Control
* or the Service Engine Soon
lamp.
>OUTSIDE TEMP. +207 (–56)
This display is only an example. The
current temperature is displayed at
outside temperatures of +37.57
(+36) and below. Refer also to
page 83.
>SET TIRE PRESSURE
*
The RDC has imported the current in-
flation pressure in the tires as the tar-
get values which the system will
monitor. Refer to page 103.
>CHECK TIRE PRESSURE
*
Check and correct the tire inflation
pressure to specifications at the earli-
est opportunity (next stop for fuel).
Refer to page 104.
>TIRECONTROL INACTIVE
*
A temporary interference of the RDC
or a system fault. Refer to page 104.
>CHECK BRAKE LIGHTS
A lamp has failed or the electrical cir-
cuit has a fault. Refer to pages 186
and 196 or consult a BMW center.

Page 139 of 238

BMW 540I SEDAN 2001 Owners Manual Index
Data
Technology
Repairs
Car care
Controls
Overview
Overview
Controls and features Operation, care
and maintenance
Owner service procedures
Technical dataIndex
Advanced technology
139
n
Special o

Page 155 of 238

BMW 540I SEDAN 2001 Owners Manual Index
Data
Technology
Repairs
Car care
Controls
Overview
155nWinter tires Snow chains*
Do not exceed specified
maximum speeds
Never exceed the maximum
speed for which the tires are
rated.
Unprofe

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