BMW 5251 Service Manual page 392

130-2
/Fuel Injection
This repair group covers service and repair of the Bosch and
Siemens engine management systems used on
1997
through 2002
E39
models. Additional engine management
service and repair information may also be found in the fol-
lowing repair groups:
0
020 Maintenance
120
Ignition System
160
Fuel Tank and Fuel Pump
610
Electrical Component Locations
OBD O n Board Diagnostics
NOTE-
Camshaft position sensor, crankshaft speed sensor and
knoclc sensors are covered in 120 Ignition System.
Table a. Engine management system applications -
-
~ ~
1
~odellmodel year
/
Engine
IDME
system
I
-
I
5281, 1997-1 998 IM52. 2.8 liter ISiemens MS 41
. I
I
1
528i. 1999ZO00 1 ~ 5 2 TU, 2.8 liter ]siemens MS 42.0
I
I
5251, 2001-2002 1 ~ 5 4 , 2.5 liter
1
Siemens MS 43.0
I I
530i, 2001-2002 1 ~ 5 4 , 3.0 liter ISiemens MS 43.0
5401 1999-2001 1 ~ 6 2
TU,
4.4 liter l ~ o s c h ME 7.2
I
OBI) II software and hardware is incorporated in the engine
management control systems. The OED II system monitors
components that influence exhaust and evaporative emis-
sions. If a problem is detected, the OED I1 system stores the
associated fault code and condition.
540i. 1997
4
If vehicle emission levels exceed
1.5
times Federally mandat-
ed criteria, the OED II system illuminates a malfunction indi-
cator light (MIL) in the instrument cluster.
For the E39 cars covered by this manual, three different
MIL symbols were used, depending on year and model.
See illustration.
When faults arise, or if the malfunction indicator lamp (MIL) is
illuminated, begin troubleshooting by connecting BMW ser-
vice tester DISplus, MoDiC, GTl or equivalent scan tool. The
capabilities of OBD II software has the potential to save hours
540i. 1998 IM62, 4.4 liter /Bosch M5.2.1
M62, 4.4 liter
Bosch M5.2