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Service bulletin SIB-12-01-14

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10055918
Published by NHTSA2014-08-05
Manufacturer's numberSIB-12-01-14
Manufacturer's date2014-04-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

BMW: INFORMATION PERTAINING TO A VOLUNTARY EMISSIONS RECALL CAMPAIGN 13E-A03: PROGRAM CONTROL UNITS (OBD). DUE TO THE ONBOARD DIAGNOSTICS MALFUNCTIONING, THE READINESS BIT WILL NOT SET CONFIRMATION OF A SUCCESSFUL COMPLETION OF THE OXYGEN SENSOR DIAGNOSTICS. *JS

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
BMW Z4

Listing a model year does not mean every vehicle of it is concerned: the document says which.