# Service bulletin B520421

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: 10188946
- Published by NHTSA: 2021\-03\-15
- Manufacturer's number: B520421
- Manufacturer's date: 2021\-02\-01
- NHTSA component: SEATS

## NHTSA's summary

OUTER HEADREST SECOND ROW: BMW AG has issued a Delivery Stop on certain Model Year 2021 BMW X5 SAV and X7 SAV vehicles that were produced between February 8, 2021 and February 17, 2021.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188946-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188946-9999.pdf)

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

## Components

Seats

## Vehicles listed

- 2019 to 2021 BMW X5
- 2019 to 2021 BMW X7

## Recalls for the same vehicles and component

- [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
- [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

- [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.
- [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.
- [B520920](/bulletins/10241368.md), 2023-08-28, Service bulletin: SEATS:MID/REAR ASSEMBLY. Various concerns about the third row of seats.
- [B520923](/bulletins/10235190.md), 2023-05-01, Service bulletin: SEATS:MID/REAR ASSEMBLY:HEAD RESTRAINT. BMW AG has issued a Delivery Stop: 2nd row head restraints.

JSON: [/v1/bulletins/10188946](/v1/bulletins/10188946)

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