WenmarOpen by Wenmar Pro

Service bulletin MC64913517

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 id10188971
Published by NHTSA2021-03-15
Manufacturer's numberMC64913517
Manufacturer's date2021-02-01
NHTSA componentPOWER TRAIN

NHTSA's summary

Loud whistling/ringing around 3000 rpm in the 1st to 3rd gears at partial load.

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 1200 C

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