Service bulletin B110721
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 | 10204535 |
| Published by NHTSA | 2021-12-13 |
| Manufacturer's number | B110721 |
| Manufacturer's date | 2021-10-08 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
MAIN BEARING SHELL.
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
Transmission and driveline
| BMW M3 | 2022 |
|---|---|
| BMW M4 | 2022 |
| BMW X3 | 2022 |
| BMW X4 | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 22V070000 | 2022-02-09. POWER TRAIN:AUTOMATIC TRANSMISSION |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| B260422 | 2023-03-20. Service bulletin. There is a howling or whistling noise from under the vehicle at 30 -37 mph (50 -60 km/h) when driving after a cold start, when the outside temperature is 32 F (0 C) or lower. The noise goes away as the vehicle/driveline reaches operating temperature. |
|---|