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Service bulletin B521225

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 id11023249
Published by NHTSA2025-09-22
Manufacturer's numberB521225
Manufacturer's date2025-09-18
NHTSA componentSEATS

NHTSA's summary

A clicking noise can be heard from one or both front seat backrests. This noise is heard when leaning against the backrest of the seat or while the vehicle is cornering.

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

Seats

Vehicles listed
BMW X12024, 2025, 2026
BMW X22024, 2025, 2026

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

Recalls for the same vehicles and component
20255752025-10-21. Seats And Restraints
20254872025-09-17. Seats And Restraints

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
B5201202026-07-03. Service bulletin. When getting in or out of the vehicle, a groaning noise can be heard from the opening (aperture) in the seat backrest. The noise may be heard from one or both of the front seats.
B5204252025-03-21. Service bulletin. Customer states he/she sees a check control message for the rear seat not being locked. The following fault codes stored in the air bag ACSM6 control module: 930C19 - Backrest Sensor right 2nd seat row: open circuit 930D76 - Function rear restraint system restricted
B0649242024-08-02. Other. Seat Foam Pad Return
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”
B5217232024-01-03. Service bulletin. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative .During the vehicle test, the seat module does not respond. The power supply fuse for the seat module is found to have blown.