# Service bulletin B640525

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: 11025683
- Published by NHTSA: 2025\-11\-25
- Manufacturer's number: B640525
- Manufacturer's date: 2025\-11\-14
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

1. The customer states that the output air from one of the vehicle vent assemblies doesn’t match the desiredtemperature, will change temperature opposite of climate settings. 2. The customer states that the output air from one of the vehicle vent assemblies doesn’t match the desired temperature, nor change from Hot/Cold.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025683-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025683-9999.pdf)

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

## Vehicles listed

- 2025 to 2026 BMW X3

JSON: [/v1/bulletins/11025683](/v1/bulletins/11025683)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20B640525&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11025683&vehicle=Service%20bulletin%20B640525)