# Service bulletin B520221

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: 10211861
- Published by NHTSA: 2022\-05\-16
- Manufacturer's number: B520221
- Manufacturer's date: 2022\-03\-01
- NHTSA component: SEATS

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211861-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211861-9999.pdf)

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

## Components

Seats

## Vehicles listed

- 2018 to 2022 BMW X3
- 2019 to 2022 BMW X4
- 2019 to 2022 BMW X5
- 2020 to 2022 BMW X6
- 2020 BMW X6 M
- 2019 to 2022 BMW X7

## Recalls for the same vehicles and component

- [23V211000](/recalls/nhtsa/23V211000.md), 2023-03-29: SEATS
- [2022501](/recalls/tc/2022501.md), 2022-09-07: Seats And Restraints
- [22V670000](/recalls/nhtsa/22V670000.md), 2022-09-07: SEATS
- [21V156000](/recalls/nhtsa/21V156000.md), 2021-03-10: SEATS:MID/REAR ASSEMBLY:HEAD RESTRAINT
- [2020116](/recalls/tc/2020116.md), 2020-03-19: Seats And Restraints
- [2019373](/recalls/tc/2019373.md), 2019-07-31: Seats And Restraints
- [19V563000](/recalls/nhtsa/19V563000.md), 2019-07-31: SEATS
- [19V135000](/recalls/nhtsa/19V135000.md), 2019-02-27: SEATS
- [2019070](/recalls/tc/2019070.md), 2019-02-14: Seats And Restraints
- [19V096000](/recalls/nhtsa/19V096000.md), 2019-02-13: SEAT BELTS; SEATS

## Other bulletins for the same vehicles and component

- [B521923](/bulletins/11016438.md), 2025-04-03, Service bulletin: SEATS. In vehicles equipped with the second row 60% / 40% split seat, the flex cable assembly can come out of the seat rail mechanism \(circled\). This stops the forwards and backwards travel of the seat.
- [B520920](/bulletins/11012089.md), 2024-12-31, Service bulletin: SEATS. HEAD RESTRAINT AND/OR BACKREST OF 3RD ROW SEATS CANNOT BE FOLDED DOWN
- [B520524](/bulletins/11006735.md), 2024-09-01, Service bulletin: SEATS. A rattling noise can be heard emanating from the area of the rear seat backrest of the second row ofseats. The noise does not occur when the rear seat backrest is folded down.
- [B521019](/bulletins/10252279.md), 2024-04-01, Service bulletin: SEATS. The seat leather upholstery detaches from the front of the thigh support \(aka knee bolster\) of either front seat.
- [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.
- [B522319](/bulletins/10246302.md), 2023-12-06, Service bulletin: SEATS. Two areas of the third\-row seat backrest that may cause a noise concern have been added.
- [B522319](/bulletins/10244258.md), 2023-11-01, Service bulletin: SEATS. Second seat row blocking access to third seat row, program seat modules. Visible stitching on first row sport seat. Third seat row backrest Bowden cable routing and length change.
- [B520920](/bulletins/10244257.md), 2023-11-01, Service bulletin: SEATS. Various concerns about the third row of seats: 1. Head restraint \(aka headrest\), on one or both sides, cannot be folded down. 2. Third\-row seating, on one or both sides, cannot be folded down.
- [B520920](/bulletins/10242695.md), 2023-09-25, Service bulletin: SEATS. ?Various concerns about the third row of seats.
- [B520121](/bulletins/10242694.md), 2023-09-25, Service bulletin: SEATS. ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted.

JSON: [/v1/bulletins/10211861](/v1/bulletins/10211861)

[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%20B520221&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10211861&vehicle=Service%20bulletin%20B520221)