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Service bulletin MC120111

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 id10206763
Published by NHTSA2022-01-24
Manufacturer's numberMC120111
Manufacturer's date2021-12-01
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ENGINE AND ENGINE COOLING; EQUIPMENT

NHTSA's summary

BMW Motorrad has completely revised a number of tightening specifications. Fasteners affected by these changes include the ones securing the freewheel ring to the magnetic wheel. These must be replaced on account of the possibility they can work loose during operation.

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, Engine, Equipment and accessories, Alternator

Vehicles listed
BMW K SERIES

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