Si B12 01 14
BMW technical service bulletin B120114 for 2012-2016 BMW Z4.
- Bulletin number
- B120114
- Component
- Electrical system
- Summary
- "SI B12 01 14 February 2016 Electrical Systems Technical Service This Service Information bulletin supersedes SI B12 01 14 dated April 2014. Due to an error in the DME (Digital Motor Electronics) software, the required oxygen sensor onboard diagnostics (OBD) is not functioning. As a result, the ""Readiness bit"" confirming a successful completion of the oxygen sensor diagnostics will not be set. In order to remedy the situation, BMW is conducting a Voluntary Emissions Recall Campaign to reprogram the control units (DME) on all affected vehicles."
Owners of these vehicles have filed 11 complaints in the electrical category.
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