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Computers/Controls - NAD Check And Recovery Procedures

SI B 84 24 06
Communication Systems

January 2009
Technical Service

This Service Information bulletin supersedes SI B84 24 06 dated June 2008.
[NEW] designates changes to this revision

SUBJECT
NAD Check & Recovery Procedure (I/K-bus Vehicles)

MODEL
E46 (3 Series) from 9/03 to 2/06 production with Premium Package (ZPP) or BMW Assist (SA 639)

E53 (X5) from 10/03 to 2/06 production with Premium Package (ZPP) or BMW Assist (SA 639)

E83 (X3) from 9/03 to 2/06 production with Premium Package (ZPP) or BMW Assist (SA 639)

E85 (Z4) from 10/03 to 2/06 production with Premium Package (ZPP) or BMW Assist (SA 639)

INFORMATION
[NEW] With the release of ISTA/P, the MOXA procedure for recovering the NAD is no longer valid. Perform standard troubleshooting using ISTA. If the NAD is faulty, the TCU should be replaced.

WARRANTY INFORMATION
For information only





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