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Service bulletin B066523

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 id10245435
Published by NHTSA2023-12-06
Manufacturer's numberB066523
Manufacturer's date2023-11-22
NHTSA componentENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

BMW AG has requested the inspection and return of the following part number: 11 53 8 651 261 11 53 7 648 352 11 53 7 643 094 11 53 8 629 971 11 53 7 643 226 11 53 8 687 750

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, Turbocharger or supercharger

Vehicles listed
BMW BMW

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