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Service bulletin B066621

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10205611
Published by NHTSA2021-12-27
Manufacturer's numberB066621
Manufacturer's date2021-11-01
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING; ENGINE

NHTSA's summary

BMW AG has requested the inspection and return of the following part numbers: 11 42 8 488 578 and 11 42 8 583 895.

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

Vehicles listed
BMW BMW

Listing a model year does not mean every vehicle of it is concerned: the document says which.