Technical Service Bulletin B120114 — 2014 BMW Z4
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | B120114 |
| Manufacturer | |
| Vehicle | 2014 BMW Z4 |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin 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."
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.