Service bulletin B650426
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11030310 |
| Published by NHTSA | 2026-03-30 |
| Manufacturer's number | B650426 |
| Manufacturer's date | 2026-03-16 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
Customers may report issues with the alarm system not functioning correctly. These concerns may includeone or more of the following: Missing confirmation sound (function cannot be selected or deselected in the Central InformationDisplay (CID) menu). Alarm system deactivated (interior mirror light off). Alarm does not function. DWA LED without function after locking (no flashing/flashing). Acoustic acknowledgement is unavailable or cannot be enabled/disabled via the CID menu underdoors/windows. Tilt alarm sensor “SINE” cannot be reached via diagnostics.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
| BMW 430I | 2025 |
|---|---|
| BMW 840I | 2025 |
| BMW Z4 M40I | 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.