ECU breakdown, Motronic versions by ECU # and build date

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ECU breakdown, Motronic versions by ECU # and build date

Postby M20_fever » Tue Nov 01, 2011 2:50 am

Thought this was a handy break down for BMW ECU numbers and what version of Motronic they ran, as well as what year/makes/models they came in. Could be useful for all you swap people (you know who you are) when for whatever reason you think life is better with more valves.

Model Chassis Engine Type Year
Bosch
Part Number Motronic Version
318is
E30
M42/B18
90-91
0 261 200 175
Bosch Motronic M1.7

318i/is
E36
M42disa/B18
92-12/93
0 261 200 990
Bosch Motronic M1.7

318i/is
E36
M42disaII/B18
1/94-12/94
0 261 203 282
Bosch Motronic M1.7.2

318i/is/Ti
E36
M42/B18 DISA2
1/95-->
0 261 203 282
Bosch Motronic M1.7.2 w/ EWS-II

318i/is/Ti
E36
M42/B18 DISA2
1/95-->
0 261 203 357
Bosch Motronic M1.7.2 w/ EWS-II

318i/is/Ti
E36
M44/B19
96-->
0 261 203 667
Bosch Motronic M5.2 (OBD-II)

Z3
E36
1.8L 8V (M44/B18)
96-->
Bosch Motronic M1.7.3

Z3
E36
M44/B19
96-->
0 261 203 667
Bosch Motronic M5.2 (OBD-II)

320i
E30
M20/B20 (129hp)
87-91
0 261 200 152
Bosch Motronic M1.1

320i
E30
M20/B20 (129hp)
87-91
0 261 200 172
Bosch Motronic M1.3

320iS
E30
S14/B20 (192hp)
87-89
0 261 200 087
Bosch Motronic ML3.1

325e/es
E30
M20/B27 (122hp)
9/84-12/86
0 261 200 027
Bosch Motronic Basic M1.0

325e/es
E30
M20/B27 (127hp)
1/87-9/87
0 261 200 154
Bosch Motronic M1.1

325i/ECE
E30
M20/B25 (171hp)
85-87
0 261 200 081
Bosch Motronic M1.0

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 153
Bosch Motronic M1.1

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 173
Bosch Motronic M1.3

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 351
Bosch Motronic M1.3

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 380
Bosch Motronic M1.3

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 382
Bosch Motronic M1.3

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 524
Bosch Motronic M1.3

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 525
Bosch Motronic M1.3

325i/is/iX
E30
M20/B25 (170hp)
87-91
0 261 200 526
Bosch Motronic M1.3

M3
E30
S14/B23 (195hp)
86-08/89
0 261 200 071
Bosch Motronic M1.0 Motorsport

M3
E30
S14/B23 (215hp)
09/89-90
0 261 200 091
Bosch Motronic M1.0 Motorsport

M3 - Evo2
E30
S14/B23 (220hp)
88
0 261 200 090
Bosch Motronic M1.0 Motorsport

M3 - Evo3
E30
S14/B25 (238hp)
01/90-05/90
0 261 200 092
Bosch Motronic M1.0 Motorsport

325i/is
E36
M50/B25
thru 8/91
0 261 200 403
Bosch Motronic M3.1

325i/is
E36
M50/B25
9/91-8/92
0 261 200 402
Bosch Motronic M3.1

325i/is/ic
E36
M50tu/B25
9/92-12/94
0 261 200 413
Bosch Motronic M3.3.1

325i/is/ic
E36
M50tu/B25
1/95-->
0 261 200 413
Bosch Motronic M3.3.1 w/ EWS-II

328i
E36
M52/B28
96-->
Bosch Motronic MS41.1 (OBD-II)

M3 - Euro
E36
S50/B30
93-95
0 261 203 075
Bosch Motronic M3.3

M3
E36
S50us/B30
thru 12/94
0 261 203 506
Bosch Motronic M3.3.1

M3
E36
S50us/B30
1/95-->
0 261 200 413
Bosch Motronic M3.3.1 w/ EWS-II

M3
E36
S50us/B32
96-->
Bosch Motronic MS41.1 (OBD-II)

520i
E34
M20/B20 (129hp)
87-90
0 261 200 172
Bosch Motronic M1.3

525i
E34
M20/B25
87-90
0 261 200 173
Bosch Motronic M1.3

525i
E34
M20/B25
87-90
0 261 200 524
Bosch Motronic M1.3

525i
E34
M50/B25
thru 8/91
0 261 200 405
Bosch Motronic M3.1

525i/iT
E34
M50/B25
9/91-1/92
0 261 200 403
Bosch Motronic M3.1

525i/iT
E34
M50/B25
2/92-93
0 261 200 402
Bosch Motronic M3.1

525i/iT
E34
M50tu/B25
93-12/94
0 261 200 413
Bosch Motronic M3.3.1

525i/iT
E34
M50tu/B25
1/95-->
0 261 200 413
Bosch Motronic M3.3.1 w/ EWS-II

528i
E39
M52/B28
96-->
Bosch Motronic MS41.1 (OBD-II)

533i
E28
M30/B32
84
0 261 200 008
Bosch Motronic M1.0 Basic

528e
E28
M20/B27
9/84-12/86
0 261 200 027
Bosch Motronic M1.0 Basic

528e
E28
M20/B27
01/87-09/87
0 261 200 154
Bosch Motronic M1.1

535i/is
E28
M30/B34
85-87
0 261 200 059
Bosch Motronic M1.0 Adaptive (24 pin)

535i/is
E28
M30/B34
88
0 261 200 059
Bosch Motronic M1.0 Adaptive (28 pin)

535i/is
E28
M30/B34 (218hp)
85-87
0 261 200 061
Bosch Motronic M1.0

535i
E34
M30/B35
89-92
0 261 200 179
Bosch Motronic M1.3

530i
E34
M60/B30
3/93-8/94
0 261 200 404
Bosch Motronic M3.3

530i
E34
M60/B30
9/94-12/94
0 261 200 404
Bosch Motronic M3.3 w/ air pump

530i
E34
M60/B30
1/95-4/94
0 261 203 484
Bosch Motronic M3.3 w/ EWS-II

540i
E34
M60/B40
thru 12/94
0 261 200 404
Bosch Motronic M3.3

540i
E34
M60/B40
1/95-->
0 261 203 484
Bosch Motronic M3.3 w/ EWS-II

540i
E39
M62/B44
96-->
0 261 203 474
Bosch Motronic M5.2 (OBD-II)

M5/M635CSI
E28/E24
S38/B35 (260hp kat)
87-88
0 261 200 079
Bosch Motronic M1.0 Motorsport

M5/M635CSI
E28/E24
M88 (286hp)
84-87
0 261 200 055
Bosch Motronic M1.0 Motorsport

M5
E34
S38/B36 (315hp)
91-->
0 261 200 350
Bosch Motronic M1.2

633csi
E24
M30/B32
84
0 261 200 008
Bosch Motronic M1.0 Basic

635csi
E24
M30/B34
85-87
0 261 200 059
Bosch Motronic M1.0 Adaptive

635csi
E24
M30/B35
86-88
0 261 200 150
Bosch Motronic M1.1

635csi
E24
M30/B35
89
0 261 200 179
Bosch Motronic M1.3

730i
E32
M30/B30
89-92
0 261 200 178
Bosch Motronic M1.3

733i
E23
M30/B32
84
0 261 200 008
Bosch Motronic M1.0 Basic

735i
E23
M30/B35
09/80-09/82
0 261 200 001
Bosch Motronic M1.0 Basic

735i
E23
M30/B34 (218hp)
84-87
0 261 200 011
Bosch Motronic M1.0 Adaptive

735i
E23
M30/B34
84-87
0 261 200 059
Bosch Motronic M1.0 Adaptive

735i/iL
E32
M30/B35
86-88
0 261 200 150
Bosch Motronic M1.1

735i/iL
E32
M30/B35 (211hp)
89-92
0 261 200 179
Bosch Motronic M1.3

740i/iL
E32
M60/B40
9/92-4/94
0 261 200 404
Bosch Motronic M3.3

740i/iL
E38
M60/B40
1/95-->
0 261 203 484
Bosch Motronic M3.3 w/ EWS-II

740i/IL
E38
M62/B44
96-->
0 261 203 474
Bosch Motronic M5.2 (OBD-II)

745i
E23
M102/B34 (252hp)
83--86>
0 261 200 013
Bosch Motronic M1.0

750iL
E32
M70/B50
88-90
0 261 200 156
Bosch Motronic M1.2

750iL
E32
M70/B50
91-->
0 261 200 352
Bosch Motronic M1.7

750iL
E38
M73/B54
9/94-->
0 261 203 473
Bosch Motronic M5.2 (OBD-II)

840i
E31
M60/B40
9/93-12/94
0 261 200 404
Bosch Motronic M3.3

840i
E31
M60/B40
1/95-->
0 261 203 484
Bosch Motronic M3.3 w/ EWS-II

840i
E31
M62/B44
96-->
0 261 203 474
Bosch Motronic M5.2 (OBD-II)

850i
E31
M70/B50
91-->
0 261 200 352
Bosch Motronic M1.7

535i/
Alpina B9
E28
M30/B34 (245hp)
85-87
0 261 200 011
M1.0

Alpina B7
Turbo
E24
M30 (300hp)
85-87
0 261 200 043
M1.0

Alpina B7
Turbo Coupe
E24
M30 (330hp)
85-87
0 261 200 043
M1.0

Alpina B7
Turbo Kat. E24
M30 (320hp)
85-87
0 261 200 079
M1.0
Alpina B10
Biturbo E34
M30 (360hp)
89-94
0 261 200 079
M1.1

source: http://www.bimmerboard.com/forums/posts/93519
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Re: ECU breakdown, Motronic versions by ECU # and build date

Postby Nsquared97 » Tue Nov 01, 2011 3:22 am

Awesome Tony. Again, pretty sure I have a 173, gonna have to go take a look tomorrow.
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