1998 BMW 528i Air

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On-Board ~ia~nosticsl
Engine diagnostic trouble codes: M54 engine (continued) I -.
P-code BMW-FC Explanation
PO223 113 ThrottlelPedal Position SensorlSwitch '0' Circuit High
PO261 / Cylinder 1 Injector Circuit Low
PO271 Cylinder 4 Injector Circuit High
PO273 Cylinder 5 Injector Circuit Low
Cylinder 2 Injector Circuit High
Cylinder 3 Injector Circuit
Low
Cylinder 3 Injector Circuit High
Cylinder 4
iniector Circuit Low
PO265
PO267
PO268
PO270
, I
PO277 1 23 1 Cylinder 6 Injector Circuit High
5
22
22
24
I I
PO274
PO301
PO302
PO303
PO304
PO276 1 23 I Cylinder 6 Injector Circuit Low
33
I
I -
I I
PO31 3 1 240 I Misfire Detected with Low Fuel Cylinder 5 Injector Circuit High
238
239
240
241
PO305
I I
Cylinder 1 Misfire Detected
Cylinder 2 Misfire Detected
Cylinder 3 Misfire Detected
Cylinder 4 Misfire Detected
PO313
PO306 1 243 I Cylinder 6 Misfire Detected
242
PO313
PO313
PO31 3
PO327
Cylinder 5 Misfire
Detected
PO31 3 1239 I Misfire Detected with Low Fuel
238
PO332
PO335
PO339 - PO340
Misfire Detected with Low Fuel
241
242
243
57
PO344
PO365
PO369
PO41 3
PO414
PO420
Misfire Detected with Low Fuel
Misfire Detected with Low Fuel
Misfire Detected with Low Fuel
Knock Sensor 1 Circuit Low
(Banlc 1 or Sinale Sensor)
59
83
83
65
-
Knoclc Sensor 2 Circuit Low (Banlc 2)
Crankshaft Position Sensor
'A' Circuit
Crankshaft Position Sensor
'A' Circuit Intermittent
Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)
65
18
18
62
62
233 Camshaft Position Sensor
'A' Circuit Intermittent (Bank 1
or Single Sensor)
Camshaft Position Sensor
'B' Circuit (Banlc 1)
Camshaft Position Sensor 'B' Circuit Intermittent (Bank 1)
Secondary Air Injection System Switching Valve A Circuit Open
Secondary Air
Injection System Switching Valve A Circuit Shorted
Catalyst System Efficiency Below Threshold (Bank 1)

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I On-Board Diagnostics
Engine diagnostic trouble codes: M54 engine (continued)
P-code
BMW-FC Explanation
Catalyst System Efficiency Below Threshold (Bank 2)
PO430
PO443
PO444
PO445
PO455
PO456
PO491
PO492
PO500
PO441 1250 / Evaporative Emission System Incorrect Purge Flow
234
I I
68
68
68 143
143
245
246
214
PO604
PI083
PI084
PI085
PI086
Evaporative Emission System Purge Control Valve Circuit
Evaporative Emission System Purge Control Valve Circuit Open
Evaporative Emission System Purge Control Valve Circuit Shorted
Evaporative Emission System Leak Detected (large leak)
Evaporative Emission System Leak Detected (very
small leak)
Secondary Air injection System Insufficient Flow (Bani( 1)
Secondary Air Injection System insufficient Flow
(Banic 2)
Vehicle Speed Sensor
'A'
Idle Air Control System PO505
.
PI 087
PI 088
PI089
PI090
PO600 / 217 I Serial Communication Link
204
100
202
202
203
203
PI091
PI092
PI093
PI094
Pllll
PI112
PI120
Internal Control Module Random Access Memory (RAM) Error
Fuel Control Limit Mixture Too Lean (Bank 1 Sensor
1)
Fuel Control Limit Mixture Too Rich (Bank 1 Sensor 1)
Fuel Control Limit Mixture Too Lean (Bank 2 Sensor 1)
Fuel Control Limit Mixture Too Rich (Banic 2 Sensor 1) ~ ~
229
229
230 235
PI121
PI122
PI123
02 Sensor Circuit Slow Response in Lean Control Range (Bank 1 Sensor 1)
02 Sensor Circuit Slow Response in Rich Control Range (Bank 1 Sensor
1)
02 Sensor Circuit Slow Response in Lean Control Range (Banlc 1 Sensor 2)
Pre Catalyst Fuel Trim System Too Lean
(Bank 1)
236
235
236
230
11
11
114
PI134
PI135
PI136
PI137
PI138
Pre Catalyst Fuel Trim System Too Lean (Banic 2)
Pre Catalyst Fuel Trim System Too Rich
(Bank 1)
Pre Catalyst Fuel Trim System Too Rich (Bank 2)
02 Sensor Circuit Slow Response in Rich Control Range (Banic 2 Sensor 1)
Engine Coolant Temperature Sensor Radiator Outlet Low Input
Engine Coolant Temperature Sensor Radiator Outlet High Input
Pedal Position Sensor Circuit
117
110
110
25
25
25
79
79 Pedal Position Sensor 1
RangeIPerformance Problem
Pedal Position Sensor 1 Low Input
Pedal Position Sensor 1 High Input
02 Sensor Heater Circuit Signal Intermittent (Bank 1 Sensor 1)
02 Sensor Heater Circuit Low Voltage (Bank 1 Sensor
1)
02 Sensor Heater Circuit High Voltage (Bank 1 Sensor 1)
02 Sensor Heater Circuit Signal Intermittent (Bank 1 Sensor 2)
02 Sensor Heater Circuit Low Voltage
(Banic 1 Sensor 2)
-
-

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OBD-22
I On-Board Diagnostics
Engine diagnostic trouble codes: M54 engine (continued)
P-code
BMW-FC Explanation
PI 41 3
PI414
PI444
PI 445
PI446
PI447
PI 448
PI 449
PI 451
35
35
142 140
140
142
142
142
126
Secondary Air Injection Pump Relay Control Circuit Signal Low
Secondary Air Injection Pump
Relay Control Circuit Signal High
Diagnostic Module Tank Leakage (DM-TL) Pump Control Open Circuit
Diagnostic Module Tank
Leaitage (DM-TL) Pump Control Circuit Signal Low
Diagnostic Module Tank Lealtage (DM-TL) Pump Control Circuit Signal High
Diagnostic Module
Tanlc Leakage (DM-TL) Pump Current Too High during Switching Solenoid Test
Diagnostic Module
Tank Leakage (DM-TL) Pump Current Too Low
Diagnostic Module
Tank Leakage (DM-TL) Pump Current Too High
Diagnostic Module
Tank Leaitage (DM-TL) Switching Solenoid Control Circuit Signal Low

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/ On-Board Diaanostics I
Engine diagnostic trouble codes: M62 engine
P-code
PO01 1
PO012
PO020
PO021
PO022
PO030
PO031
PO032
I I
PO038 / 14 I H02S Heater Control Circuit High (Bank 1 Sensor 2)
PO010 / 33 / 'A' Camshaft Position Actuator Circuit (Bank 1)
BMW-FC
I I -.
Explanation
33
33
34
34
34 13
13
13
PO36
'A' Camshaft Position Timing Over-Advanced or System Performance (Bank 1)
'A' Camshaft Position Timing Over-Retarded (Bank 1)
'A' Camshaft Position Actuator Circuit (Bank 2)
'A' Camshaft Position Timing Over-Advanced or System Performance (Banlc 2)
'A' Camshaft Position Timing Over-Retarded (Banlc 2)
H02S Heater Control Circuit (Bank 1 Sensor 1)
H02S Heater Control Circuit Low (Bank 1 Sensor 1)
HOPS Heater Control Circuit Hiqh (Banlc 1 Sensor 1)
PO050
PO051
PO052
PO056
PO057
PO058
PO037 / 14 / H02S Heater Control Circuit Low (Bank 1 Sensor 2)
14
I I -.
Ir-1 ThrottleIPedal Position SensorISwitch 'A' Circuit
Low-
HO2S Heater Control Circuit (Bank 1 Sensor 2)
5
5
5
4
4
4
PO102
PO1 13
PO116
PO117
PO118
PO119
PO120
PO121
H02S Heater Control Circuit (Banlc 2 Sensor 1)
H02S Heater Control Circuit Low (Bank 2 Sensor 1)
H02S Heater Control Circuit High (Bank 2 Sensor 1)
H02S Heater Control Circuit (Bank 2 Sensor 2)
HO2S Heater Control Circuit Low (Bank 2 Sensor 2)
HO2S Heater Control Circuit Hiqh (Bank 2 Sensor 2)
PO103 1115 I Mass or Volume Air Flow Circuit High Input
115
124
123
123
123
123
117
118
PO1 23
PO125
PO128
PO1 30
PO131
POI 32
PO133
Mass or Volume Air Flow Circuit Low Input
lntalte Air Temperature Sensor 1 Circuit High
Engine Coolant Temperature Circuit
RangeIPerlormance
Engine Coolant Temperature Circuit Low
Engine Coolant Temperature Circuit High
Engine Coolant Temperature Circuit Intermittent
ThrottleIPedal Position SensorISwitch 'A' Circuit
ThrottieIPedal Position SensorISwitch 'A' Circuit RanqeIPerformance
118
123 139
10
10
10
15
ThrottleIPedai Position SensorlSwitch 'A' Circuit High
insufficient Coolant Temperature for Closed Loop Fuel Control
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
02 Sensor Circuit (Bank
1 Sensor 1)
02 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
02 Sensor Circuit High Voltage (Bank
1 Sensor 1)
02 Sensor Circuit Slow Response (Bank 1 Sensor
1)

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On-Board ~ia~nosticsl
I I
PO340 1113 I Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)
Engine
diagnostic trouble codes:
M62 engine (continued)
P-code
PO342
PO343
PO345
PO347
PO348
PO363
PO370
PO41 2
PO335 I111 I Crankshaft Position Sensor 'A' Circuit
BMW-FC
I I -
I I -
PO445 1 98 1 Evaporative Emission System Purge Control Valve Circuit Shorted
Explanation
113
113
114
114
114
62 112
85
PO41 3
PO41 8
PO420
PO430
PO440
PO442
PO442
PO443
PO444
Camshaft Position Sensor 'A' Circuit Low (Bank 1 or Single Sensor)
Camshaft Position Sensor
'A' Circuit High (Bank 1 or Single Sensor)
Camshaft Position Sensor
'A' Circuit (Bank 2)
Camshaft Position
Sensor'A' Circuit Low (Bank 2)
Camshaft Position Sensor 'A' Circuit High
(Banic 2)
Misfire Detected
- Fueling Disabled
Timing Reference High Resolution Signal
'A'
Secondary Air lniection System Switchinq Valve A Circuit
PO41 4 / 85 I Secondary Air Injection System Switching Valve A Circuit Shorted
85
84
40
45 93 183
188
98
98
PO450
PO452
PO453
PO455
PO456
PO491
PO492
PO500
PO506
I I
PI102 1163 I Idle Control System, Adaptation of Unmetered Air Mass Too Low
Secondary
Air Injection System Switching Valve A Circuit Open
Secondary Air Injection System Control
'A' Circuit
Catalyst System Efficiency Below Threshold (Bank 1)
Catalyst System Efficiency
Below Threshold (Bank 2)
Evaporative Emission System
Evaporative Emission System Leak Detected (small
leak)
Evaporative Emission System Leak Detected (small leak)
Evaporative Emission System Purge Control Valve Circuit
Evaporative Emission System Purqe Control Valve Circuit Open
I
I
185
185
185
183
187
80
81 120
32
PO507
Evaporative Emission System Pressure SensorISwitch
Evaporative Emission System Pressure SensorISwitch Low
Evaporative Emission System Pressure
SensorISwitch High
Evaporative Emission System
Leaic Detected (large leak)
Evaporative Emission System
Leal$ Detected (very small leak)
Secondary Air Injection System Insufficient Flow (Bank
1)
Secondary Air Injection System insufficient Flow (Bank 2)
Vehicle Speed Sensor
'A'
idle Air Control System RPM Lower Than Expected
PI103
PI130
PI131
PO600 1 220 I Serial Communication Link
32
idle Air
Control System RPM Higher Than Expected
163
17
23
Idle Control System, Adaptation of Unmetered Air Mass Too Large
02 Sensor Circuit Dynamic Test (Bank
1 Sensor 2)
02 Sensor Circuit Dynamic Test (Bank 2 Sensor 2)

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On-Board ~ia~nosticsl
Engine diagnostic trouble codes: M62 engine (continued)
P-code
I I -
I I - -.
PI445 1186 / Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal Low
PI357
PI382
PI386
PI413
PI414
PI441
PI442
PI443
PI444
P1356 1 53 I Misfire during Start Cylinder 8
BMW-FC
I P1523
I
I - -
1165 I 'A' Camshaft Position Actuator Signal Low (Banlc 1)
Explanation
P1381 1215 I Control Module Self-Test, Knock Control Onset (Bank 1)
53
21 6
21 4
84
84
1
1
1
186
PI 446
PI 447
PI 448
PI449
PI 450
PI451
PI452
PI476
Misfire Cylinder 8 with Fuel Cut-Off
Control Module Self-Test, Knock Control Test Pulse (Bank 1)
Control Module Self-Test, Knock Control Circuit Baseline Test (Bank 1)
Secondary Air Injection Pump Relay Control Circuit Signal Low
Secondary Air Injection Pump
Relay Control Circuit Signal High
Leakage Diagnostic Pump Control Open Circuit
Leakage Diagnostic Pump Control Circuit Signal Low
Leakage Diagnostic Pump Control Circuit Signal High
Diagnostic Module Tank Leakage (DM-TL) Pump Control Open Circuit
186
189
189
189
2
2
2
184
P1524
P1525
P1526
PI527
PI528
PI633
PI 634
PI 635
I I
PI 638 / 131 I Throttle Valve Position Control Throttle Stuck Temporarily
. -
Diagnostic Module Tank Leakage (DM-TL) Pump Control Circuit Signal High
Diagnostic Module
Tank Leakage (DM-TL) Pump Current Too High during Switching Solenoid Test
Diagnostic Module Tank Leakage (DM-TL) Pump Current Too Low
Diagnostic Module
Tank Leakage (DM-TL) Pump Current Too High
Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Open Circuit
Diagnostic Module
Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal Low
Diagnostic Module
Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal High
Leakaqe Diaqnostic Pump Clamped Tube
I I
165
165
166
166
166
136
133
134
'A' Camshaft Position Actuator Control Circuit Signal High (Banlc 1)
'A' Camshaft Position Actuator Control Open Circuit (Bank 1)
'A' Camshaft Position Actuator Control Open Circuit (Bank 2)
'A' Camshaft Position Actuator Control Circuit Signal Low (Bank 2)
'A' Camshaft Position Actuator Control Circuit Signal High (Bank 2)
Throttle Valve Adaptation Limp-Home Position Unknown
Throttle Valve Adaptation Spring Test Failed
Throttle Valve Adaptation Lower Mechanical Stop not Adapted
Throttle Valve Control Circuit
PI 636
PI639
P1643
P2088
P2089
PI 637 / 130 I Throttle Valve Position Control, Control Deviation
132
131
135
165
165 Throttle
Valve Position Control Thronle Stuck Permanently
Throttle Valve Actuator Start Test Amplifier Balancing Plausibility
'A' Camshaft Position Actuator Control Circuit Low (Banlc 1)
'A' Camshaft Position Actuator Control Circuit High (Bank 1)

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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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2 INDEX
Battery, starter, alternator
alternator (generator)
121-10
6-cylinder engine, removingi
installing 121-15
M62 engine 121-16
M62 TU engine (water cooled)
121-18
battery
121-5 charging 121-9
safety terminal 121-3
testing 121-5 charging system, troubleshooting
121-12
starter
121-1 9
6-cylinder engine, removingi instaliinq 121-20 . V-8 engine, rernovinglinsialiing
121-21
solenoid, removinglinstalling
121-23 troubleshooting 121-19
see also Maintenance
Bearing, wheel
see Front suspension
see also Rear suspension
Belts see Maintenance, drive belts
Blade, wiper
see Wipers and Washers
Blower motor see
A/C
BMW emblem
see Exterior trim
BMW special tools 010-18 see also special tools section at
beginning
of each repair group
Body dimensions 400-2
interior features
400-9 salety and security 400-7
Body side molding
see Exterior trim
Bonnet see Engine hood
Boot see Trunk
Brake fluid
020-24, 340-8
Brake fluid pressure sensor
340-30
Brakes
ABS, ASC or DSC system
300-12
component replacement 340-26
ASCIDSC switch
see Switches
bleeding
bralces 340-8
brake booster 340-1 9 bralce Dads. caiioers and rotors ,., 340-1 1
descriotion 300-10
e~ectrdnic brake & stability 300-11
light switch
see Switches
master cylinder
340-16 pariking brake 340-22
troubleshooting 340-5
Bulbs see Lights
Bumper
lront 510-6 height, adjusting 510-12
rear 510-9
Bus system
600-4
Camber
320-33
Camshaft
removingiinslaiiing
M52 engine 116-12
M52 TU
/ M54 engine 116-1 9 M62 engine 11 6-39
wear
116-6
Camshaft position sensors
see ignition system
Camshaft timing chain
adjusting M52 engine
117-22
M52 TU I M54 engine 117-43
M62 engine 117-79 removinglinstalling
M52 engine 117-26
M52TU 1 M54 engine 113-46.116-
28
M62 engine 117-66
Capacities, fluid
020.10
Car rnemorvlicev memorv . . 600-10
see also Centrai
lociking
Carbon canister, activated
see Fuel
tank
Caster
320-33
Catalytic converter and oxygen sensor 020-19
see also Exhaust system: exhaust
manilolds
Cautions
001-3
CD changer
650-4
Center bearing, driveshaft
see Driveshait
Center brake light
sedan
630-13
Center console
513-3
Centrai body electronics (ZKE 111)
600-6
Central locking
car memoryiey memory 515.12 general module iunctions 515-2
remote entry (FZV) 515-8
remote lkey initialization 515-10 single lociddouble ioclk 515-6
switch 515-4
Chain
see Camshaft liming chain
Characteristic map (electrically heated) thermostat
see Electrically heated thermostat
Charging system
see Battery, starter, alternator
Cluster see instruments
Clutch fluid see Maintenance
hydraulics
210-4
mechanical 210-9
switch
see Switches, pedal ciuster
variations
210.10
Codes, fault OED-1
Coil
see Ignition system
Coil spring
see Front suspension
see also Rear
suspe nsion