# Service bulletin B520920

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: 10198905
- Published by NHTSA: 2021\-07\-06
- Manufacturer's number: B520920
- Manufacturer's date: 2021\-05\-01
- NHTSA component: SEATS

## NHTSA's summary

HEAD RESTRAINT AND/OR BACKREST OF 3RD ROW SEATS CANNOT BE FOLDED DOWN: 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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198905-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198905-9999.pdf)

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

## Components

Seats

## Vehicles listed

- 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

## 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
- [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.
- [B520922](/bulletins/10228431.md), 2023-01-03, Service bulletin: SEATS. When returning the 2nd row seat 60/40 seat from Easy\-Entry: The seat stops moving before reaching the final home position. A Check Control Message \(CCM\) appears alerting the customer that the seat is not locked.
- [B520921](/bulletins/10227555.md), 2022-12-12, Service bulletin: STRUCTURE; SEATS. Noise is heard from the seat frame/rail assembly. Noises may occur dynamically \(creaking/knocking\) when weight is shifting upon the seat Noises may also occur when activating the seat motors.

JSON: [/v1/bulletins/10198905](/v1/bulletins/10198905)

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