Service bulletins for the 2012 BMW Z4
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.
141 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Brakes are shown. Show all
| 340713 | 2018-12-03. Service bulletin. SERVICE BRAKES. Brake Fluid Maintenance Service: 36-Month Interval. The CBS displays the first brake fluid service as a 36-month interval from the date of production instead of the appropriate 24-month interval. |
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| 340713 | 2018-12-03. Service bulletin. SERVICE BRAKES. Brake Fluid Maintenance Service: 36-Month Interval. The coding in these vehicles has the CBS displaying the first brake fluid service as a 36-month interval from the date of production, instead of the appropriate 24-month interval. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.