# Other B062726

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: Other
- NHTSA id: 11031898
- Published by NHTSA: 2026\-05\-01
- Manufacturer's number: B062726
- Manufacturer's date: 2026\-04\-21
- NHTSA component: ENGINE

## NHTSA's summary

Expansion Tank Return

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031898-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031898-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2026 BMW 740I
- 2026 BMW M5

## Other bulletins for the same vehicles and component

- [B120326](/bulletins/11035396.md), 2026-07-31, Emissions: ENGINE. Due to an implementation error in various OBD diagnostics in the vehicle's control units, in very rare cases itmay happen that stored fault memory codes \(DTCs\) and the MIL \(warning light\) are not automaticallydeleted even though the underlying malfunction has already been rectified. This does not comply with the statutory OBD specifications.
- [B066\-25](/bulletins/11025855.md), 2025-12-01, Other: ENGINE. Expansion Tank Return

JSON: [/v1/bulletins/11031898](/v1/bulletins/11031898)

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