The 928S4, 928GT and 928GTS models use a Bosch EZK for ignition and a Bosch
LH ecu for fuel injection.
The table below lists the different versions that exist and the Eprom
software you find inside.
|
|
|
PORSCHE |
BOSCH |
BOSCH |
|
PORSCHE |
BOSCH |
BOSCH |
DIAG Feature |
|
|
Year |
Porsche
LH number |
Bosch number |
Eprom
number |
|
Porsche
EZK number |
Bosch number |
Eprom
number |
|
| Early 928s4 |
-87 |
unknown |
unknown |
|
|
unknown |
0.227.355.480 |
|
non DIA |
| 928S4 |
1987 |
928.618.123.10 |
0280.002.504 |
|
|
928.618.124.10 |
0227.400.035 |
|
non DIA |
|
1988 |
928.618.123.11 |
0280.002.504 |
|
|
928.618.124.11/2/14 |
0227.400.035 |
|
DIA |
| |
1989 |
928.618.123.13 |
0280.002.507 |
|
|
928.618.124.15 |
0227.400.154 |
|
DIA |
| |
1990 |
928.618.123.13 |
0280.002.507 |
|
|
928.618.124.15 |
0227.400.154 |
|
DIA |
| |
1991 |
928.618.123.25 |
0280.002.508 |
|
|
928.618.124.15 |
0227.400.154 |
|
DIA |
|
|
|
|
|
|
|
|
|
|
| 928GT |
1989 |
928.618.123.14 |
0280.002.506 |
|
|
928.618.124.22 |
0227.400.164 |
|
DIA |
| |
1990 |
928.618.123.14 |
0280.002.506 |
|
|
928.618.124.22 |
0227.400.164 |
|
DIA |
| |
1991 |
928.618.123.26 |
0280.002.509 |
|
|
928.618.124.22 |
0227.400.164 |
|
DIA |
| |
|
|
|
|
|
|
|
|
|
| 928
CS/SE |
1988 |
928.618.123.12 |
0280.002.506 |
|
|
928.618.124.13 |
0227.400.043 |
|
DIA |
|
1989 |
928.618.123.14 |
0280.002.506 |
|
|
928.618.124.16 |
0227.400.043 |
|
DIA |
| |
|
|
|
|
|
|
|
|
|
| 928
GTS |
1992 |
928.618.123.30 |
0280.002.514 |
|
|
928.618.124.30 |
0227.400.197 |
2.227.355.341 |
DIA |
| |
1993 |
928.618.123.30 |
0280.002.514 |
|
|
928.618.124.30 |
0227.400.197 |
2.227.355.341 |
DIA |
| |
1994 |
928.618.123.30 |
0280.002.514 |
|
|
928.618.124.30 |
0227.400.197 |
2.227.355.341 |
DIA |
|
| |
Data gathered from internet and
research by Theo Jenniskens |
|