# Service bulletin B540422

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: 10228432
- Published by NHTSA: 2023\-01\-03
- Manufacturer's number: B540422
- Manufacturer's date: 2022\-11\-01
- NHTSA component: VISIBILITY:SUN/MOON ROOF ASSEMBLY

## NHTSA's summary

It is possible that the guide stem \(aka rotational axis\) on the wind deflector can break upon removal and/or during installation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10228432-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10228432-9999.pdf)

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

## Components

Glass, wipers and mirrors, Sunroof

## Vehicles listed

- 2021 to 2022 BMW 430I
- 2021 to 2022 BMW M440I

## Recalls for the same vehicles and component

- [22V267000](/recalls/nhtsa/22V267000.md), 2022-04-20: VISIBILITY:SUN/MOON ROOF ASSEMBLY

JSON: [/v1/bulletins/10228432](/v1/bulletins/10228432)

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