BMW 5251 Service Manual page 352

I
lgnition
System
Additional information about DTCs and engine management
system electronic system diagnosis is provided in OBD On-
Board Diagnostics.
Table a. Engine management systems
Year l ~ n g i n e
I
Engine type
IDME
svstem
I
-
I
-
. .
I
Ignition system
1997-1 998
1997
1998
1999-2002
4
All engines use a distributorless ignition system with individ-
ual ignition coils for each cylinder. There is no distributor cap
or ignition rotor.
4
Each coil is controlled and monitored by the Engine Control
Module (ECM) on a cylinder-by-cylinder basis.
1999-2000 1 ~ 5 2
TU
16-cylinder l~iemens MS 42.0
M62
M62
M62TU
Siemens MS 41 .I
M52 6-cylinder
V-8
V-8
V-8
Bosch M 5.2
Bosch M 5.2.1
Bosch ME 7.2