Service bulletin B840521
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 | 10206768 |
| Published by NHTSA | 2022-01-24 |
| Manufacturer's number | B840521 |
| Manufacturer's date | 2021-12-02 |
| NHTSA component | ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:ANTENNA |
NHTSA's summary
Vehicles which require this Campaign to be completed will show it as ?Open? when checked either in Vehicles which require this Campaign to be completed will show it as ?Open? when checked either in AIR the "Service Menu" of DCSnet (Dealer Communication System), ISPA Next or Warranty Vehicle Inquiry.
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
Electrical system, Equipment and accessories, Software
| BMW M4 | 2022 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.