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Service bulletin B511023

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 id10238079
Published by NHTSA2023-06-26
Manufacturer's numberB511023
Manufacturer's date2023-05-01
NHTSA componentSEAT BELTS; SEAT BELTS:FRONT:ANCHORAGE

NHTSA's summary

While driving on smooth roads, a cracking sound can be heard from the rear safety belt feed trim panel. This sound will ONLY occur on the right-side panel.

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

Seat belts

Vehicles listed
BMW IX2022, 2023
BMW IX M602023

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

Other bulletins for the same vehicles and component
B5202242024-04-01. Service bulletin. The seat initialization and memory has been lost; Or Repeat failure of seat initialization after completing the test module via ISTA. One or both of the following check control messages (CCM) may be present: CCM 108 “Driver restraint system” CCM 109 “Passenger restraint system”