# Service bulletin B520122

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.

- Type: Service bulletin
- NHTSA id: 10214262
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: B520122
- Manufacturer's date: 2022\-02\-01
- NHTSA component: SEATS; SEAT BELTS

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214262-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214262-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Seat belts, Seats

## Vehicles listed

- 2020 to 2021 BMW X3
- 2020 to 2021 BMW X4

## Recalls for the same vehicles and component

- [23V211000](/recalls/nhtsa/23V211000.md), 2023-03-29: SEATS
- [2020116](/recalls/tc/2020116.md), 2020-03-19: Seats And Restraints
- [20V164000](/recalls/nhtsa/20V164000.md), 2020-03-19: SEAT BELTS:PRETENSIONER; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS:FRONT:BUCKLE ASSEMBLY; AIR BAGS

## Other bulletins for the same vehicles and component

- [B521823](/bulletins/10247574.md), 2024-01-03, Service bulletin: SEATS. 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.
- [B520221](/bulletins/10211861.md), 2022-05-16, Service bulletin: SEATS. 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.
- [B520221](/bulletins/10206683.md), 2022-01-24, Service bulletin: SEATS; EQUIPMENT. Milky\-white stains \(discolorations\) in the leather are observed in the second\-row seat bottom, backrests and/or headrests.
- [B110321](/bulletins/10198899.md), 2021-07-06, Service bulletin: SEATS. 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.
- [B720417](/bulletins/10174319.md), 2020-04-27, Service bulletin: SEAT BELTS:FRONT:BUCKLE ASSEMBLY; ELECTRICAL SYSTEM. FALSE WARNINGS THAT THE FRONT PASSENGER SEAT IS OCCUPIED WITHOUT THE SEAT BELT BUCKLED: This Service Information Bulletin \(Revision 10\) replaces SI B72 04 17 dated September 2019. Acoustic and visual warnings indicate that the front passenger seat is occupied and the safety belt is not fastened when the seat is actually unoccupied. If the situation is currently present sit in the seat and move the seat to a slightly different position. The POL \(Passenger Occupancy Light\) light should now function correctly. In some cases the Air bag Warning Light was illuminated.

JSON: [/v1/bulletins/10214262](/v1/bulletins/10214262)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20B520122&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10214262&vehicle=Service%20bulletin%20B520122)