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

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): E070-10-06-500 or later

F01, F02, and F07

Vehicle integration (new): F001-10-06-510 or later

F10

Vehicle integration (new): F010-10-06-511 or later

WARRANTY INFORMATION





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