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Service campaign MC330322

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 campaign
NHTSA id11017294
Published by NHTSA2025-04-29
Manufacturer's numberMC330322
Manufacturer's date2025-04-26
Campaign id or software version00 33 14 00 00
NHTSA componentPOWER TRAIN

NHTSA's summary

The taper spline between the driveshaft and the rear drive assembly were assembled dry on certain vehicles. This could result in rust to form.

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

Transmission and driveline

Vehicles listed
BMW R 182021
BMW R 18 B2021 (the catalog's model; the bulletin names a series or trim of it)
BMW R 18 CLASSIC2021
BMW R 18 TRANSCONTINENTAL2021 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
26V6580002026-10-07. POWER TRAIN:MANUAL TRANSMISSION:SEALS/GASKETS
24V7160002024-09-26. POWER TRAIN:MANUAL TRANSMISSION:SEALS/GASKETS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
MC3303222022-10-31. Service bulletin. The taper spline between the driveshaft and the rear drive assembly were assembled dry on certain vehicles. This could result in rust to form.