ECM - DME M5.2 Control Modules
Group 12Engine Electrical
Bulletin Number
12 04 95 (4231)
Woodcliff Lake, NJ
June 1995
Product Engineering
YOU SHOULD PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION BULLETIN WHENEVER AN AFFECTED VEHICLE IS IN THE SHOP FOR MAINTENANCE OR REPAIR.
SUBJECT:
DME M5.2 Control Modules
MODELS:
E38 (750iLA) and E31 (850CiA)
Situation:
A processing error in the DME control module can lead to the erroneous setting of the following:
^ "Check Engine" light is illuminated.
^ Fault code 111 engine speed/reference sensor is set in the DME control module.
Vehicle Affected:
In order to determine if a specific vehicle is affected by this Service Action, it will be necessary to utilize the Service Menu" of the DCS (Dealer Communications System). Based on the response of the system, either proceed with the corrective action or take no further action.
The Chassis Numbers listed are only for informational purposes and are not to be considered as the only deciding factor.
Correction:
Replace both DME control modules on the vehicles listed if the DME identification screen of the DIS displays 1744697 as the "Master control unit:" number.
Procedure: 1. Connect the DIS to the affected vehicle.
2. Check the DME identification screen for both control modules using the ModiC or DIS. If the "Master control unit:" number is:
1744697 - Replace both DME control modules
1427684 - DME control module has been replaced
3. If the control modules have been replaced, attach the Service Action label and close the Service Action.
4. If the DME control modules are replaced they must be synchronized/aligned with the EWS II system as follows:
4.1.1 Verify that the new MoDiC cable P/N 8112 9428 912, with pin 17 is installed on the MoDiC.
4.1.2 Connect the MoDiC with programming software disk A & B V5.1 or higher loaded. 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, and 4.1.8 are shown in the illustrations.
4.1.9 Disconnect MoDiC once adjustment is complete.
4.1.10 Start engine to confirm proper operation.
Parts Information:
Description Quantity Part Number
DME control module M5.2
750iLA 2 12141429109
850CiA 2 12141429104
Please send all replaced control modules to the Warranty Parts Return Center in Montvale, New Jersey, Attention: Service Engineering.
Service Action Label Instructions:
This Service Action is assigned code number 142. After the vehicle is checked, and corrected if necessary, obtain a label (SD 92-050) and:
a) Emboss your BMW dealer warranty number in the middle of the label (1).
b) Punch out code number 142 printed on the label (2).
c) Bend the label to crease an edge and remove the backing paper. Then affix the label to the B pillar as shown.
If the vehicle already has a label from a previous Service Action/Recall Campaign, affix the label next to the old one. Do not affix one label on top of another one because a number from an underlying label could appear in the punched-out hole of the new label.
Warranty Information:
Covered under the terms of the applicable BMW Emissions Warranty.
Defect Code: 00 12 01 6200
Work Package # 1: E31 & E38 Remove and replace DME control modules
Models: 750ilA and 850CiA
Labor Operation: 12 14 500
Labor Allowance: 3 FRU
Parts Allowance:
12 14 1 429 109 (E38) Qty = 2
12 14 1 429 104 (E31) Qty = 2
Work Package # 2: E31 & E38 Verify control module replacement
Models: 7501 LA and 850CiA
Labor Operation: 12 00 009
Labor Allowance: 3 FRU