1997 BMW 528i Indicator and warning lights

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01 0-1
010 General
General ........................... .01 0.2
How to Use this Manual ............ .01 0.2
Warnings. cautions and notes ........... .0l 0.3
Getting Started .................... .0i 0.5
Safety ............................. .O1 0.5
Lifting the car ........................ .O1 0.5
Raising car ......................... .O1 0.5
Working under car .................... .O1 0.6
Advice for the Beginner ............ .O1 0.7
Planning ahead ...................... .O1 0.7
Workshop practices ................... .O1 0.7
Non-reusable fasteners ................ .O1 0.7
Tightening fasteners .................. .O1 0.8
Gaskets and seals .................... .O1 0.9
Electrical testing .................... .O1 0.10
Wire repairs ........................ .O1 0.10
Buying Parts ..................... .01 0.11
Genuine BMW parts ................. .O1 0.11
Non-returnable parts ................. .O1 0.11
Information you need to know .......... .0l 0.12
Service ........................... 01 0-1 3
TOOIS ............................. 010-13
Basic tool requirements ............... 01 0-1 4
Jack stands ......................... 01 0-1 6
Oil change equipment ................. 01 0-1 6
Torque wrench ...................... 01 0-17
Digital multimeter .................... 010-17
BMW special tools ................... 01 0-1 8
Emergencies ...................... 01 0-1 8
Changing a tire ...................... 01 0-1 8
Jump starting ....................... 01 0-1 9
Indicator and warning lights ............ 01 0-1 9
Towing ............................ 010-20
Spare parts kit ...................... 010-21

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General
Cars with discharged or dead batteries can be jump-started
using the good battery from another car. See owner's manual
for proper instruction on jump starting. When jump-starling
the engine, always note the following warnings.
4 Lower car. With all wheels on ground, fully tighten nuts in a
WARNING-
* Battery acid (electrolyte) can cause severe burns, and will
damage the
cal; clothing, and you. If electrolyte is spilled,
wash the surface with large quantities of water.
M itgets into
eyes, flush them with water for several minutes and call a
doctor.
B4
5
43
2 BOOIFNG.
Batteries produce explosive and noxious gasses.
Keeps sparks and flames away. Do not smoke near
batteries.
Do notjump-start the engine
ifyou suspect that the bat-
tery is frozen. Trappedgas may explode. Allow the bat-
tery to thaw first.
Do not quick-charge the battery (for boost starting) for
longer than one minute, and do not exceed
16.5 volts
at the battery with the boosting cables attached. Wait at
least one minute before boosting the battery a second
time.
crisscross pattern.
Torque wheel nuts when installing wheel.
Check inflation pressure of spare tire.
Tightening torque
Wheel to wheel hub 120 Nm (89 ft-ib)
Jump starting
Indicator and warning lights
Many vehicle systems are self-monitored for faults while driv-
ing. Generally,
a red warning lamp that comes on during driv-
ing should be considered serious. If you cannot immediately
determine the seriousness of the warning light, stop the vehi-
cle in a safe place and turn the engine off as soon as possible.
Consult the owner's manual for additional information on the
warning lamp and the recommended action.
If the Malfunction Indicator Lamp (MIL)
(Check Engine or Ser-
vice Engine Soon warning light) comes on orflashes, it indi-
cates that an emissions-related fault has occurred. Faults
such as a bad oxygen sensor or a dead fuel injector can
cause the exhaust or evaporative emissions to exceed a
specified limit. When these limits are exceeded, the MIL will
be turned on. The engine can be safety driven with the light
on, although the emission systems should be
checked as
soon as possible. See OBD On-Board Diagnostics for

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120-6
lgnition System
lgnition system, troubleshooting
Troubleshooting ignition system faults should begin with an
interrogation of the On-Board Diagnostics (OBD
II) system.
The OBD
II system detects ignition system misfire and other
related faults. When faults are detected, the OBD
II system
stores a Diagnostic Trouble Code (DTC) in the Engine Con-
trol Module (ECM) along with other pertinent fault information.
4 In addition, the Malfunction Indicator Light (MIL) will come on
if an emissions related fault is detected. Additional OBD
II in-
formation, including a DTC lookup table, can be found in
OED On-Board Diagnostics.
NOTE-
BMWmodels covered in this manual were equipped with one
of three versions of
MIL warning lights (as shown).
Misfire detection
Engine m~sfire in one or more cylinders, may be caused by a
var~ety of malfunctions in various subsystems. The OBD II
system ~ncorporated into the engine management systems is
des~gned to detect and warn of misfire faults during englne
operat~on. See OED On Board Diagnostics.
WARNING -
lgnition misfires can cause high hydrocarbon exhaust emis-
sions andcatalytic converter damage. For this reason, if a se-
vere misfire is detected, the fuel injector
will be turned off to
the specific cylinder and the
MIL will be illuminated. A misfire
may also produce an overheated catalytic converter, which
can be a fire hazard.
Oscilloscope diagnostic diagrams
One way to diagnose a faulty coil is to use an oscilloscope to
analyze spark quality with the engine running.
See Table b. lgnition secondary voltage diagnostics for
list of common ignition
coil voltage faults and related causes.

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INDEX 'tl
WARNING
Your common sense, good
judgemenl, and general alertness are
crucial to sale and successiul service
worlr. Belore attempting any work on
your
BMM be sure lo read 001
General Warnings and Cautions
and the
copyriglll page at the front 01
the manual. Review these warnings
and
caulions each lime you prepare
lo work on your BMW. Please also
read any warnings and cautions that
accompany
tile procedures in the
manual.
312-way valve (running losses)
see Fuel tank
Abbreviations, commonly used 600-14
ABS (antilock brake system)
see
Bral(es
A/C air distribution motors
see stepper motors (below)
blower final stage (resistor pack),
replacing
640-16
blower, removinglinslalling
640-1 5
compressor, replacing
640-24 condenser, replacing 64045
control panellmodule, removing1
installing
640-1 1
evaporakr, removinglinstalling 640-29
evaporator temperature sensor
640-12 expansion valve, removinglinstailing
640-27
IHKA/ IHKR system description 640-5
receiveridrier, replacing 640-26
stepper motors 640-1 3 ventilation microiilter, replacing
020-22. 640-17
see also Heating
Accelerator
iinlcage
see Maintenance
Activated carbon canister
see Fuel tank
ADS (auxiliary throttle valve)
130-57
Air compressor
330-44
Air conditioning
see
AIC
Air distribution (flap) motors
seeNC, stepper motors
Air filter see Maintenance
Air spring
300-6, 330-12
Airbag system (SRS)
2-stage
airbag 721-4
control module, replacing 721-7 driver airbag, removinglinstalling
721-8
iiead protection airbag 721-12 components 721-1 1
indicator
lighl721-4
passenger airbag, removinglinstalling
721-9 side-impact airbags crash sensor,
replacing
721-7
Airflow sensor see 130 under appropriate
fuel
injection system
Air pump
see 130 under appropriate fuel
injection system, secondary air
injection system
Air suspension
see Electronic height control
(EHC)
Alarm
see Anti-theft alarm
Alignment see
Wheei alignment
Aluminum suspension components
300-2
Antenna 650-6
Alternator see Battery, starter, alte rnator
Amplifier
650-4
Anti-theft alarm (DWA)
515-24 emergency disarming 515-31
Antifreeze (engine coolant)
see Maintenance
see also Cooling system
Antilock brake system (ABS) see Brakes
ASC see Brakes
ATF (automatic transmission fluid)
see Automatic transmission
see also Cooling systern
Automatic headlight adjustmenl
(LWR) see Lights
Automatic seat belt tensioner
720-4
Automatic shiftloclc
see
Gearshift
Automatic transmission
applications
200-3, 240-4
ATF 020-10, 200-4
capacity 240-8 checking 240-6
drainingifilling 240-7
heat exchanger 170-5
fluid pan and strainer 240-9 gearshift
see Gearshift
ID tag
200-3 range switch 610-6
removaliinstallation 240-10
steptronic see Gearshift
Auxiliary cooling fan
see
Coollng system, electric Ian
Auxiliary throttle valve (ADS)
130-57
Axle joint
see Drive axle
Back-up light switch
automatic transmission see Automatic transmission. range switch
- .~.~~~
manual transmission 230-8 -
- I

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INDEX 7
WARNING
Your common sense, good
judgement, and general alertness are
crucial to safe and successful service
work. Before
attempting any work on
your BMW, be sure to read 001
General Warnings and Cautions
and the copyright page at the front of
the manual. Review these warnings
and cautions each time you prepare
to
work on your BMW. Please also
read any warnings and
caulions that
accompany
/he procedures in the
manual.
Jack stands
010-16
Jump starting 010-19
Keys
515-1 1
Knock sensor
see Ignition system
Leak detection,
fuel tanlr
see Fuel tank, leak detection unit
Leather upholstery
see Maintenance, leather
upholstery and trim
LDP
(leak detection pump)
see Fuel
tanir, leal( detection unit
Level sender
see Fuel tank
see also Fuel pump
License
plate iight
630-1 1
Lifters see Cylinder head and vaivetrain
Lifting the car
010-5 Lights
bulb applications
630-2
control module (LCM) 630-3
foglights 630-8 headiighls 630-4
automatic headlight adjustment
(LWR)
630-7
vertical aim system 630-8 interior lights 630-12
bulb applications 630-13
side turn signal 630-9
taillight 630.10 trunk light bulb 630-14
turn signals, taillights 630-12
LOClCS see Central loci(ing
see also Door loclrs
Lubrication system
oil
level warning switch, replacing
119-20
oil pan, removinglinstalling
6-cylinder 119-10
V-E lower 119-13 V-8 upper 119-15
oil pressure
checiring 11
9-4
warning system, testing 119-5 warning switch, replacing 119-20
oil pressure
reliel valve
6-cylinder 119-26
V-8 11 9-27
oil pump, removinglinstalling
6-cylinder
119-22
V-8 1 19-4
troubieshooting 119-3
Luggage compartment
seeTrunk
MAF (mass air flow) sensor
see 130 under appropriate fuel
injection system Maintenance
accelerator linkage
020-14 air filter 020-14
automatic transmission 020-29
battery 020-22
body lubrication 020-31 body and interior 020-31
braire fluid 020-24
brake padlrotor wear 020-24
brake system 020-25 clutch fluid 020-26
cooling system 020-15
CV ioint boots 020-27
differential oil level 020-26
drive bells 020-16 engine comparlmenl 020-14
engine cooling system 020-16
engine oil 020-1 1 exhaust system 020-27
exterior washing 020-31
fluid and lubricant specifications 020-9
fuel lilter 020-27 fuel lanir and fuel lines 20-28
idle speed 020-19
inspection 020-5
interior care 020-31
lealher upholslery and trim 020-31
maintenance tables 020-6
manual transmission oil 020-30
microiilter 020-22 oxygen sensors 130-72, 180-8
parlcing brake 020-25
power steering fluid level 020-20
seat belts
020-32 service indicator 020-3
spark plugs 020-20
special cleaning 020-32 suspension, front 020-29
suspension, rear 020-29
tires 020-29
washing
020-32
waxing 020-32 windshield wiper blade 020-33
wheels, aligning 020-30
Malfunction indicator iight (MIL)
OED-2
Manifold, exhaust
see Exhaust system
Manifold,
intake
see Intake maniiold

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INDEX 9
WARNING
Your common sense, good judgemenl, and general alerlness are
crucial lo seie end successful service
ivork. Beiore attempting any work on
your
BMW be sure to read 001
General Warnings and Cautions and llle copyright page at lhe iron1 of
the manual. Review Niese warnings
and caulions each lime you prepare
lo work on your BMW Please also
read any warnings and caulions lllal accompany the procedures in the
manual.
Rear suspension
ball joints
330-19
bushings 330-13
control arms
seesuspension arms, below
description
300-5
electronic height control (EHC)
330-44
ride height 300-14 ride height sensor 330-46
shoclr absorbers end springs 330-9
stabilizer bar 330-42
struts and springs 330-5 subframe 330.13
suspension arms 330-13
variations 330-4 wheel bearing, replacing 330-32
see also Maintenance
see also Drive axles
see also Final drive
Rear window (Sport Wagon)
see
Tailgate
Rear window defroster 610-17
Receiverldrter
see NC
Relay positions
see Electrical component tocations
table 610-3
Remote entry (FZV)
see Central locking
Reversing light switch
see
Baclc-up light switch
Ride height
300-14
Ride height sensor
see Rear suspension
Ring antenna
see EWS (electronic immobilizalion)
Rotor
see Brakes
Roundel see Exterior trim
Running tosses
(312-way) valve
see Fuel
tenlr
SCA (soft close)
seeTailgate, soft close
see also Trunk lid. soft close
Scan tools
OED-3
Seals gaskets and 010-9
see also Crankshaft seals
Seat front,
removing/instelling 520-10
memory system 520-4 rear 520-13
see also Seat belt
Seat beit front 720-4
rear 720-8
troubleshooting 7202
see also Maintenance
Secondary air injection
see 130 under appropriate
iuel
injection system
Selector shaft seat
see Manual transmission, oil
Seals
Self-adjusting ctulch (SAC)
see Clutch, variations
Service indicator see Maintenance
Shift interlock see Gearshift
Shift lever
see
Gearshift
Shift linkage see Gearshift
Shiftlock see Gearshilt
Shack absorber see Rear suspension
/ Side turn signal assembly
see Lights
Sill trim panel
411-10
Slave cylinder
see Clutch, lhydraulic
Steep mode
600-1 1
Soft close
(SCA) see Tailgate
see also
Trunk lid
Solenoid 121-23
Sound system
650-2
Spare parts kit
010-21
Spark plugs
see Maintenance
Speakers
650-4
Specifications, fluid
020-4
Sport wagon
400-4
Springs
see Front suspension
see also Rear suspension
SRS (supplemental restraint system)
see
Airbag system (SRS)
Stabilizer bar see Front suspension
see also Rear suspension
Starter see Battery, starter, alternator