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Service bulletin B521823

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 id10247574
Published by NHTSA2024-01-03
Manufacturer's numberB521823
Manufacturer's date2023-12-15
NHTSA componentSEATS

NHTSA's summary

A noise can be heard from underneath the seat while the seat is being moved either forwards or backwards. This can occur to the driver’s and/or the passenger’s front seat.

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 X32004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
BMW X42014
BMW X42015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024

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

Recalls for the same vehicles and component
23V2110002023-03-29. SEATS
20201162020-03-19. Seats And Restraints
20193732019-07-31. Seats And Restraints
19V5630002019-07-31. SEATS
20180482018-01-24. Seats And Restraints
20162422016-05-20. Seats And Restraints
20083072008-08-26. 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
B6504142022-12-12. Service bulletin. According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 - Seat occupancy detection, front passenger; malfunction" is stored. The fault may or may not currently be present. Or 2. ACSM fault code "930A1C - Front passenger seat occupancy detection transmitting fault(moisture)" is stored. The fault may or may not currently be present.
B5201222022-06-21. Service bulletin. A groaning noise can be heard when accelerating and cornering from the area of the shoulder safety belt support(s). The complaint can occur in both the driver's seat and the front passenger seat.
B5202212022-05-16. Service bulletin. Milky-white stains (discolorations) in the leather are observed in the second-row seat bottom, backrests and/or headrests. Refer to attachment for details. This only affects vehicles with the Merino leather.
B5202212022-01-24. Service bulletin. Milky-white stains (discolorations) in the leather are observed in the second-row seat bottom, backrests and/or headrests.
B1103212021-07-06. Service bulletin. B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available.
B5208182019-02-25. Service bulletin. FRONT PASSENGER SEAT SPORADIC MOVEMENT. Occasional stopping of seat adjustability movement in the driver and front passenger seats when occupied.
5203132018-11-26. Service bulletin. Rattle Noise from Rear Seat Backrest. A rattle noise can be heard from the rear seat area when the vehicle is driven. CAUSE The left and right rear seat backrest locks have insufficient lubrication.
6521132018-11-13. Service bulletin. When Unlocking with Comfort Access the Outside Door Mirrors Are in the Wrong Position. The vehicle is locked with one remote key and then enters sleep mode. The vehicle is then unlocked using one of the outside door handles with the second remote key. The outside door mirrors do not move to the correct position. The seats do move into the correct position. CAUSE Software error in driver's seat module
B5205182018-10-09. Service bulletin. SEAT MEMORY SWITCH SPORADICALLY NOT FUNCTIONING: Selecting one of the saved seat positions (via the memory seat position switch on the door panel), fails to work.
B5203182018-10-09. Service bulletin. MEMORY SEAT ADJUSTMENT IS LIMITED: After programming the vehicle with ISTA 4.10.2x, the adjustment range of the memory seat may restricted.