Engine Controls - DME Knock Sensor Faults Stored

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) Technical Service Bulletin # 121011 Date: 110501

Engine Controls - DME Knock Sensor Faults Stored

SI B12 10 11

Engine Electrical Systems

May 2011

Technical Service

SUBJECT

N54/N54T - DME Knock Sensor Signal Faults Are Stored

MODEL

All with N54 and N54T engine produced up to 2/28/2011

SITUATION

The Service Engine Soon (MIL) lamp may be illuminated with the following faults stored in the DME.

E60, E61, E71, E82, E88, E89, E90, E91, E92, E93/N54, N54T (DME: MSD80, MSD81):

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) 182

^ 2E68 - Knock sensor signal 1 and/or

^ 2E69 - Knock sensor signal 2

F01, F02/N54 (DME MSD87):

^ 168001 - Knock sensor signal 1, signal: engine noise above limit value and/or

^ 168101 - Knock sensor signal 2, signal: engine noise above limit value

High outside ambient temperatures can influence the frequency of the fault(s) being stored.

CAUSE

DME software error

CORRECTION

Program the vehicle using ISTA/P 2.41.1 or later.

Vehicle integration (new):

^ E60/E61 N54 - E060-11-03-501 or later

^ E71 N54 - E070-11-03-501 or later

^ E82, E88, E89, E90, E91, E92, E93/N54, N54T - E89X-11-03-501 or later

^ F01, F02/N54 - F001-11-03-502 or later

Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.

For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Portal / Service / Workshop Technology / Vehicle

Programming.

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) 183