# Service campaign B110224

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 campaign
- NHTSA id: 11005212
- Published by NHTSA: 2024\-07\-25
- Manufacturer's number: B110224
- Manufacturer's date: 2024\-07\-17
- Campaign id or software version: 0011730700
- NHTSA component: ENGINE

## NHTSA's summary

The drive belt idler pulley bracket material does not have adequate hardness and the attaching bolts may loosen.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005212-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11005212-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2024 BMW M2
- 2024 BMW M3
- 2025 BMW M4

## Other bulletins for the same vehicles and component

- [B064526](/bulletins/11037827.md), 2026-10-02, Other: ENGINE. Intake Muffler Return
- [B065425](/bulletins/11024236.md), 2025-10-10, Other: ENGINE. Evaporator Pipe Return

JSON: [/v1/bulletins/11005212](/v1/bulletins/11005212)

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