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Campaign - Oil Pump/Connecting Rod Bearing R and I: Overview

SI B11 02 03
Engine

December 2004
Technical Service

This Service Information bulletin reactivates S.I. B11 02 03 dated October 2004.

PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS.

[NEW] designates changes to this revision

SUBJECT
Service Action: E46 M3 S54 Connecting Rod Bearings

MODEL
E46; M3 coupe/convertible with S54B32 engine produced from 10/01/2001 up to 02/28/2002

SITUATION

Due to contamination of the engine lubricating system during engine assembly in combination with unfavorable tolerances in the oil pump, the connecting rod bearings can be damaged which may lead to their overheat and possible engine failure on M3 coupe/convertible vehicles produced from October 2001 through February 2002. A Service Action will be conducted on those vehicles to replace the engine oil pump, and as a precautionary measure, replacement of the connecting rod bearings. Additionally, the engine control module will be programmed with the latest software, which includes improved cold start characteristics. Customers will be mailed letters notifying them of the Service Action shortly (copy of letter, Q & A list are shown).

AFFECTED VEHICLES

This Service Action involves E46, M3 coupe/convertible vehicles with S54B32 engines which were produced from October 1st, 2001 up to February 28th, 2002.

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 Communication System). Based on the response of the system, either proceed with the corrective action or take no further action.





The Chassis Number Ranges shown are only for informational purposes and are not to be considered as the only deciding factor.

CORRECTION

In the affected vehicles, replace the engine oil pump and connecting rod bearings. Reprogram DME control module.

Following completion of this Service Action, the following engine break-in instructions must be observed by customers; for the first 1,200 miles engine speed should not exceed 5,500 rpm, or road speed should not exceed 105 mph. Engine Oil service is NOT required afier the completion of engine break-in period





PARTS INFORMATION





LABEL INSTRUCTIONS

This Service Action has been assigned code number 356. After the vehicle has been checked, and corrected if necessary, obtain a label (SD92-205) and:

a. emboss your BMW dealer warranty number in the middle of the label (1);

b. punch out code number 356 printed on the label and,





c. 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 new 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





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