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Engine Control Modules - Supplemental Information

Group 12
Engine Electrical



Bulletin Number
12 08 91 (3409)



Woodcliff Lake, NJ
August 1992
Product Engineering



SUPPLEMENTAL INFORMATION

This cover sheet contains new information covering a situation which was unknown at the time the S.I. was first released. Please file this in your S.I. binder along with S.I. 12 08 91 (3409) dated June 1992. When this information is no longer applicable you will be instructed to discard this sheet.

SUBJECT:
M3.1 Engine Control Modules

MODELS:
Only Engine Control Modules with BMW Hardware Number 1730784

Situation:
The procedure in S.I. 12 08 91 (3409) dated June 1992 instructs the technician to reprogram engine control modules having BMW Hardware Number 1 730 784 using the MoDiC recoding disk "Recoding DME M3.1 M50 Version 2.0". Due to a software fault in the recoding disk, engine control modules having BMW Hardware Number 1 730 784 CANNOT BE REPROGRAMMED at this time.

Solution:
If, in the course of completing the procedure for Service Action 74 an engine control module having BMW Hardware Number 1 730 784 is encountered in a vehicle, it should be replaced. When an updated recoding disk is available, the instruction to recode this engine control module will be valid and replacement of an engine control module with BMW Hardware Number 1 730 784 for this Service Action will no longer be an approved repair.

Parts
Information:
Order replacement engine control modules using the part numbers listed in S.I. 12 08 91 (3409) dated June 1992.

Warranty
Information:
Covered under the terms of the applicable BMW Emissions System Defect Warranty. Reimbursement for these Service Actions will be provided through Campaign Entry. Temporary work packages for Service Action 74 are included. Only work packages 1 and 2 will be valid when the updated coding disk is available.

Only one work package may be claimed.



Defect code 00 11 01 25 00 Service Action 74

Work Package 1

All E34 vehicles - Recoding engine control module if necessary, checking routing of oxygen sensor harness and rerouting if necessary.

Labor allowance: 3 FRU

Work Package 2

All E36 vehicles - Recoding engine control module if necessary and insulating vehicle wiring harness end of oxygen sensor harness connector.

Labor allowance: 6 FRU
Part number: 11 78 9 064 612

Work Package 3

E36 Manual transmission vehicle (2/4 doors) with engine control module BMW Hardware Number 1 730 784 - Replace engine control module and insulate vehicle harness end of oxygen sensor harness connector.

Labor allowance: 8 FRU
Part numbers: 11 78 9 064 612
12 14 1 748 230

Work Package 4

E36 Automatic transmission vehicle (214 doors) with engine control module BMW Hardware Number 1 730 784 - Replace engine control module and insulate vehicle harness end of oxygen sensor harness connector.

Labor allowance: 8 FRU
Part numbers: 11 78 9 064 612
12 14 1 748 238

Work Package 5

E34 Manual transmission vehicle with engine control module BMW Hardware Number 1 730 784 - Replace engine control module, checking routing of oxygen sensor harness and rerouting if necessary.

Labor allowance: 5 FRU
Part number 12 14 1 748 234

Work Package 6

E34 Automatic transmission vehicle with engine control module BMW Hardware Number 1 730 784 - Replace engine control module, checking routing of oxygen sensor harness and rerouting if necessary.

Labor allowance: 5 FRU
Part number: 12 14 1 748 240