Computers/Controls ­ MIL ON/DTCs 29EO/118001 Stored SI B 12 13 10 Engine Electrical Systems

Technical Service Bulletin # 121310
Computers/Controls ­ MIL ON/DTCs 29EO/118001 Stored
SI B 12 13 10
Engine Electrical Systems
July 2010
Technical Service
SUBJECT
N63 ­ SES Illuminated with a Fault for Mixture Too Lean, Bank 1 Stored
Date: 1007012010 BMW 750Li (F02) V8­4.4L Turbo (N63)

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MODEL
E70, E71, E72, F01, F02, F07, F10 with the N63 engine produced from 9/2009 up to 6/2010
SITUATION
The MIL or Service Engine Soon lamp comes on while driving with a DME fault stored.
E70, E71, and E72
29E0: Fuel mixture control, mixture too lean, bank 1
F01, F02, F07, and F10
118001: Fuel mixture control, mixture too lean, bank 1
DME mixture control software error
In some cases, there may be an unmetered air leak in the induction system.
PROCEDURE
Inspect the intake system for leaks and repair if necessary. For N63 vehicles which have the mixture too lean faults stored and are
outside this production period, refer to the diagnostic troubleshooting hints in
SI B12 05 10.
For vehicles within the production period with a current vehicle integration level less than the targets listed below, program the vehicle
using ISTA/P 2.38.1 or later.
E70, E71, and E72
Vehicle integration (new): E070­10­06­500 or later
F01, F02, and F07
Vehicle integration (new): F001­10­06­510 or later
F10
Vehicle integration (new): F010­10­06­511 or later
WARRANTY INFORMATION2010 BMW 750Li (F02) V8­4.4L Turbo (N63)

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Covered under the terms of the BMW New Vehicle Limited Warranty or any applicable Federal, State or BMW Emissions Warranty