Service bulletin B510621
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 | 10190851 |
| Published by NHTSA | 2021-04-26 |
| Manufacturer's number | B510621 |
| Manufacturer's date | 2021-03-01 |
| NHTSA component | VISIBILITY:POWER WINDOW DEVICES AND CONTROLS |
NHTSA's summary
STREAKS ON FRONT SIDE WINDOWS: Streak marks are visible, most commonly on the upper rear corner of the front side window. The marks can be present anywhere on the rearmost edge of either front window.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Glass, wipers and mirrors, Power windows
| BMW 430I | 2021 |
|---|---|
| BMW M4 | 2021 |
| BMW M440I | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B510819 | 2024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met. |
|---|---|
| B510923 | 2023-06-26. Service bulletin. Sudden failure of the power window(s). |