Service bulletin B000421
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 | 10205598 |
| Published by NHTSA | 2021-12-27 |
| Manufacturer's number | B000421 |
| Manufacturer's date | 2021-11-01 |
| NHTSA component | EQUIPMENT; ENGINE |
NHTSA's summary
An increased number of vehicles are experiencing various drivability complaints, premature component failures, and increased diagnostic times that may be caused by vehicle modifications or aftermarket tuning kits.
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
Engine, Equipment and accessories
| BMW BMW |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.