# Service bulletin B650121

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: 11002864
- Published by NHTSA: 2024\-07\-02
- Manufacturer's number: B650121
- Manufacturer's date: 2024\-06\-12
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

No Bass or a cracking noise can be heard from the bass speakers.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11002864-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11002864-9999.pdf)

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

## Vehicles listed

- 2023 BMW 228I
- 2023 BMW 330I
- 2023 BMW 4 SERIES
- 2023 BMW 5 SERIES
- 2024 BMW 740I
- 2024 BMW 840I
- 2024 BMW X3
- 2023 BMW X4
- 2024 BMW X5
- 2024 BMW X6
- 2023 BMW X7
- 2023 BMW Z4

JSON: [/v1/bulletins/11002864](/v1/bulletins/11002864)

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