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2010-2020 BMW 535i Technical Service Bulletin # 130409 Date: 130303

2010-2020 BMW 535i Technical Service Bulletin # 130409 Date: 130303

Fuel System - Misfire DTC's Set/Rough Running Cold Start

SI B13 04 09

Fuel Systems

March 2013

Technical Service

This Service Information bulletin supersedes SI B13 04 09 dated February 2013.

[NEW] designates changes to this revision

SUBJECT

[NEW] N54 Engine: Diagnosis of Cold Start Rough Running with Misfire Faults

MODEL

[NEW] F01

[NEW] F02

[NEW] E82

[NEW] E88

[NEW] E89

[NEW] E90

[NEW] E92

[NEW] E93

[NEW] E60

[NEW] E61

[NEW] E71

SITUATION

The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated.

Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module.

The engine rough running complaint can be reproduced on a cold start in the workshop. During the course of diagnosis, the spark plugs, removed

from the misfiring cylinders afier the problem was reproduced, are found to be soaked ("wet") with fuel, while the injector tips are covered with a

layer of carbon deposit.

CAUSE

Possible cause: high-pressure injector failure (leakage or incorrect spraying pattern) due to internal wear or unfavorable stock of tolerances

IMPORTANT:

For comprehensive N54 drivability diagnostics, always refer to the "N54 Engine Diagnostic Fault Tree" file (the current version "02_14 13" is

found as a PDF attachment to SI B12 55 06).

[NEW] CORRECTION

In the case of reproducible "cold start" rough engine running with corresponding misfire faults, replace the high-pressure injectors using improved

P/N 13 53 8 616 079 with index 11 or higher. Follow Repair Instruction 13 53 310 for injector removal and installation. Additionally, the spark

plugs from the misfiring cylinders which were found to be soaked ("wet") with fuel should be replaced.

After injector replacement, perform the individual injector calibration (adjustment) with the DME control module, per SI B12 26 08.

2010-2020 BMW 535i Sedan (E60) L6-3.0L Turbo (N54) Page 534

See the photo shown to properly identify the index number.

IMPORTANT:

Injectors with index 11 and higher have a different calibration than injectors with index 10 and lower. Due to this difference, injectors with index

11 and higher and injectors with index 10 and lower cannot be used in the same engine.

IMPORTANT:

Starting on January 3rd, 2011, Part Replacement Authorization is NOT required for N54 injector replacement.

IMPORTANT NOTE:

For N54 misfire fault complaints during normal engine operation (misfire faults not related to the engine's "cold start"), refer to the following

Service bulletins:

^ B12 05 09 - N54 (E6x) Misfire Faults due to DME Software Error

^ B12 06 09 - N54 (E9x) Misfire Faults due to DME Software Error
 |   | 
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