2001 BMW 540i 600

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Fuel Injection
Connector X60005 (continued)
I I I
6 /output l~erminal 1 signal ICylinder 1 ignition coil
Cylinder
2 ignition
coil
Cylinder
3 ignition coil
Ground point
3
4
5
7
8 -- 9
Output
Output
Ground Terminal 1 signal
Terminal
1 signal
Ground
Output
Output
Output Terminal
1 signal
Terminal
1 signal
p
Cylinder 4 ignition coil
Cylinder
5 ignition coil
Cylinder
6 ignition coil

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Fuel Tank and Fuel purnpl
Fuel pump power consumption, testing
To achieve accurate test results, the battery voltage at the
fuel pump connector should be
12.6 volts. Charge the battery
as necessary.
A higher than normal power consumption may indicate a
worn fuel pump, which may cause intermittent fuel starvation
due to pump overheating and seizure. The only remedy is
pump replacement.
A lower than normal power consumption
may indicate a blockage. Be sure to check that the return line
and the pump pickup are not obstructed before replacing the
pump.
- Expose right side access cover:
Peel forward lip of carpet.
Release rubber grommet from center of access cover insu-
lation.
Peel back insulation at perforations to expose fuel tank ac-
cess cover.
Remove right side cover to expose electrical harness con-
nector.
Disconnect harness connector from tank sending unit by slid-
ing lock back. Lift off connector.
Test fuel pump for current draw by attaching digital ammeter
between pump and harness (terminal
2, whitelblue wire) and
connect a jumper wire between pump and harness (terminal
1, brown wire) as shown.
CAUTION-
Do not allow the test leads to short to ground.
NOTE-
See 600 Electrical Systern-General for information on elec-
trical tests
using a digital multirneter.
Run pump as described in Operating fuel pump for tests.
- Compare ammeter reading with specification listed in ac-
companying table.
Fuel
pump current
Current consumption (average) 9.5 amps

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Suspension, Steering and Brakes - General
Front ride height specifications
(measurement
A)
E39 6-cylinder (5251,5281,530i) models
E39
V8 (540i) models
Wheel size
15 inch
16 inch
17 inch
18 inch
Maximum variation between sides: 10 mm (0.4 in)
Maximum deviation from specifications: 10 mm (0.4 in)
Standard
suspension
579 mm (22.8 in)
592 mm (23.3 in)
607 mm (23.9 in)
620 mm (24.4 in)
Wheel size
15 inch
16 inch
17 inch
18 inch Sports suspension
559
mm (22.0 in)
572 mm (22.5 in)
587 mm (23.1 in)
600 mm (23.6 in)
Maximum variation between sides: 10 mm (0.4 in)
Maximum deviation from specifications: 10 mm (0.4 in)
Standard
suspension
579 mm (22.8 in)
592
mm (23.3 in)
607 mm (23.9 in)
620 mm (24.4 in) Rough
road suspension
599
mm (23.6 in)
612 mm (24.1 in)
627 mm (24.7 in)
640 mm (25.2 in)
Sports suspension
559 mm (22.0 in)
572 mm (22.5 in)
587 mm (23.1 in)
600
mm (23.6 in)
M sports package
559 mm (22.0 in)
572 mm (22.5 in)
587 mm (23.1 in)
600 mm (23.6 in)
Rough road suspension 599 mm (23.6 in)
612
mm (24.1 in)
627
mm (24.7 in)
640
mm (25.2 in)
M sports package
562 mm (22.1 in)
575 mm (22.6 in)
590
mm (23.2 in)
603
mm (23.7 in)

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Rear Suspension
- Remainder of installation is reverse of removal, noting the fol-
lowing.
Tighten suspension arm and shock absorber fasteners to
final torque only afler vehicle has been lowered and sus-
pension has settled.
Tightening torques
ABS pulse sensor to wheel bearing carrier 8
Nrn (6 ft-lb)
Air line connection 2 Nrn (18 in-lb)
Brake rotor to hub 16
Nrn (12 ft-lb)
Driveshaft
CV joint to final drive flange
- MI0 (Torx bolts) 70
Nrn (51 ft-lb)
- MB (compression nut) 32 Nrn (24 ft-lb)
Rear
brake pad carrier (caliper) to wheel 65
Nrn (48 ft-lb)
bearing carrier
Road wheel to hub
120ilO Nrn
(89 i-7 ft-lb)
Rear subframe mounting bushings,
removing and installing
- Remove rear subframe mounting bolts as described earlier.
Lower
subframe approximately 40 - 45 mm (1 -2 in).
4 Install BMW special tools 33 4 140,33 4 151,33 4 154,33 4
155,33 4 156 as shown.
Use hot air gun with a maximum output temperature of
600°C (1100" F) to heat bushing area of subframe for no
more than
2 minutes. Remove rubber mount from sub-
frame.
CAUTION-
Aluminum suspension parts may be severely damaged
witli intense heat
* Heating for 2 minutes with the recommended heat
source is intended to
keep the temperature of the alu-
minum
parts below the safety threshold of 80°C
(1 76°F). .

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Instrument cluster
Instrument cluster uses large easy-to-read analog instru-
ments and is removable as a unit without removing the dash-
board. On-board computer and Check Control functions are
integrated into the instrument cluster displays.
Service Interval Display
Service Interval Display calculates vehicle service needs
based on current driving patterns, and indicates to the driver
when the car requires
service
On-board navigation
An integrated on-board navigation system, based on Global
Positioning System (GPS) technology, is optionally available
on
E39 cars. When installed, a multifunction monitor is includ-
ed in the center of the dash above the radio. in addition to dis-
playing navigation system information, this monitor accesses
On-Board Computerfunctions, audiosystem controls, mobile
phone dialling and memory, and automatic ventilation.
Park Distance Control (PDC)
Park Distance Control (PDC) is an optional system which
uses ultrasonic sensors in the rear bumper trim to warn the
driver of approaching too close to obstacles when parlting.
Central body electronics
E39 vehicles are equipped with an integrated complex of
electronic modules connected mostly via K-Bus. This system,
called central body electronics (ZKE
Ill), is primarily con-
trolled by the general module (GM
Ill). An overview of ZKE Ill
functions is found in 600 Electrical System-General. Details
of ZKE
Ill functioning is in the following repair groups:
- 512 Door Windows
* 515 Central Locking and Aniti-Theft
520 Seats
a 540 Sunroof
611 Wipers and Washers
620 Instruments

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On-Board Diagnostics
DIAGNOSTIC TROUBLE CODES
(DTCs)
Below is a listing of E39 powertrain (automatic transmission
and engine)
SAE P-codes, the corresponding BMW fault
codes, and the fault code definitions.
BMW fault codes expand on the SAE sanctioned DTCs and
are accessible primarily through the BMW diagnostic scan
tool or a BMW-specific scan tool.
l~utomatic transmission diagnostic trouble codes
P-code
IBMW-FC I DTC Definition
Ip0560 196 ISystem Voltage I
IPO~OO I129 l~eriai Communication Link I
1~0715 116 I InpuVTurbine Speed Sensor 'A' Circuit I
PO600
PO601
PO603
PO606
PO705
PO705
PO709
144
80
81
82
8
60
60
PO71 5
PO71 6
PO717
PO720
PO720
PO720
I I
PO721 159 loutput Speed Sensor Circuit RangeIPerformance I
Serial Communication Link
Internal Control Module Memory Check Sum Error
Internal Control Module Keep Alive Memory (KAM) Error
ECMIPCM Processor
Transmission Range Sensor 'A' Circuit Maliunction (PRNDL Input)
Transmission Range Sensor
'A' Circuit Malfunction (PRNDL input)
Transmission Range Sensor
'A' Circuit Intermittent
I I'
1~0722 132 IOutput Speed Sensor Circuit No Signal I
33
33
33
32
42
59
PO720
I I
PO727 1150 I Engine Speed Input Circuit No Signal
InpuVTurbine Speed Sensor 'A' Circuit
inpuVTurbine Speed Sensor 'A' Circuit RangeiPerformance
InpuVTurbine Speed Sensor 'A' Circuit No Signal
Output Speed Sensor Circuit
Output Speed Sensor Circuit
Out~ut Speed Sensor Circuit
PO720 1106 /output Speed Sensor Circuit
62
Output Speed Sensor Circuit
PO730
PO730
PO731
PO731
PO731 I I
100
102
50
51
100
PO731
incorrect Gear Ratio
Incorrect Gear Ratio
Gear 1 incorrect Ratio
Gear 1 incorrect Ratio
Gear 1 Incorrect Ratio
PO732 152 /Gear 2 Incorrect Ratio
131
Gear
1 Incorrect Ratio

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OBD-15
On-Board ~iagnosticsl
Engine diagnostic trouble codes: M52 engine (continued)
P-code
PO340
PO412
PO420
PO430
PO440
PO441
PO442
PO443
PO500
PO505
PO600
PO601
PO601
I PO601
~1132
~1133
BMW-FC
65
62
233
234
250 144
-
145
68
214
i I
DTC Definition
Camshalt Position Sensor 'A' Circuit (Bank 1 or Single Sensor)
Secondary Air Injection System Switching Valve A Circuit
Catalyst System Efficiency Below Threshold
(Bank 1)
Catalyst System Efficiency Below Threshold (Bank 2)
Evaporative Emission System
Eva~orative Emission Svstem Incorrect Purge Flow .
Evaporative Emission System Leak Detected (small leak)
Evaporative Emission System Purge Control Valve Circuit
Vehicle Speed Sensor 'A'
204
21 7
100
170
171
188
189
PI161
PI180
PI181
PI184
PI185
PI178
02 Sensor Heater Control Circuit (Bank 2 Sensor 2) I
idle Air Control System
Serial Communication
Link
Internal Control Module Memory Check Sum Error
Internal Control Module Memory
Check Sum Error
Internal Control Module Memory
Check Sum Error
02 Sensor Heater Control Circuit (Bank 1 Sensor
1)
02 Sensor Heater Control Circuit (Bank 2 Sensor 1)
Mass or Volume Air Flow Circuit RangeIPerlormance Problem PI140
I
I I
P1188 1227 I Fuel Control (Bank 1 Sensor 1)
PI145 150 /Solenoid Valve Running Losses Control Circuit Electrical
149
122
223
224
220 221
231
I I
P1189 1228 I Fuel Control (Banlc 2 Sensor 1)
Fuel Trim Adaptation Additive High (Bank 2) (M52: Engine Oil Temperature Sensor Circuit)
02 Sensor Signal Circuit Slow Switching from Rich to Lean
(Bank 1 Sensor 2)
02 Sensor Signal Circuit Slow Switching from Rich to Lean
(Bank 2 Sensor 2)
H02S Sensor Voltage Excursion Electrical (Banlc 1 Sensor 1)
HO2S Sensor Voltage Excursion Electrical (Banlc 2 Sensor 1)
02 Sensor Sianai Circuit Slow Switchina from Rich to Lean (Bank 1 Sensor 1)
02 Sensor Signal Circuit Slow Switching from Rich to Lean (Bank 2 Sensor 1) PI179
I I
PI190 1235 I Pre Catalyst Fuel Trim System (Banlc 1)
PI186 1190 102 Sensor Heater Control Circuit (Banlc 1 Sensor 2)
232
I I
PI191 1236 I Pre
Catalyst Fuel Trim System (Banlc 2)
PI192
. . -- - i Pi193 1226 I Post Catalvst Fuel Trim Svstem (Bank 2)
225
PI397
I I
Post Catalyst Fuel Trim System (Bank 1)
PI421 1246 /Secondarv Air System (Bank 2)
18
Secondary Air System (Bank
1) PI423
Camshaft Position Sensor '0' Circuit (Bank 1)
I 245

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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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