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 | 10246300 |
| Published by NHTSA | 2023-12-06 |
| Manufacturer's number | B520920 |
| Manufacturer's date | 2023-11-22 |
| NHTSA component | SEATS |
NHTSA's summary
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. 3. Noise from third-row seat backrest when the vehicle goes over bumps.
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
| BMW X7 | 2023 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| B521923 | 2025-04-03. Service bulletin. 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. |
|---|---|
| B521923 | 2024-12-31. Service bulletin. 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 | 2024-12-31. Service bulletin. HEAD RESTRAINT AND/OR BACKREST OF 3RD ROW SEATS CANNOT BE FOLDED DOWN |
| B521019 | 2024-04-01. Service bulletin. The seat leather upholstery detaches from the front of the thigh support (aka knee bolster) of either front seat. |
| B521923 | 2024-01-03. Service bulletin. 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. |
| B522319 | 2023-12-06. Service bulletin. Two areas of the third-row seat backrest that may cause a noise concern have been added. |
| B521423 | 2023-12-06. Service bulletin. A change in the Bowden cable routing is observed in the third seat row backrest. Replacement Bowden cables are shorter than original parts. |
| B521423 | 2023-11-01. Service bulletin. A change in Bowden cable routing is observed in the third seat row backrest. Replacement Bowden cables are shorter than original parts. |
| B522319 | 2023-11-01. Service bulletin. 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 | 2023-11-01. Service bulletin. 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. |