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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10198905
Published by NHTSA2021-07-06
Manufacturer's numberB520920
Manufacturer's date2021-05-01
NHTSA componentSEATS

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

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

Vehicles listed
BMW X72019, 2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20225012022-09-07. Seats And Restraints
22V6700002022-09-07. SEATS
21V1560002021-03-10. SEATS:MID/REAR ASSEMBLY:HEAD RESTRAINT
19V1350002019-02-27. SEATS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B5209202024-12-31. Service bulletin. HEAD RESTRAINT AND/OR BACKREST OF 3RD ROW SEATS CANNOT BE FOLDED DOWN
B5210192024-04-01. Service bulletin. The seat leather upholstery detaches from the front of the thigh support (aka knee bolster) of either front seat.
B5223192023-12-06. Service bulletin. Two areas of the third-row seat backrest that may cause a noise concern have been added.
B5223192023-11-01. 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.
B5209202023-11-01. 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.
B5209202023-09-25. Service bulletin. ?Various concerns about the third row of seats.
B5201212023-09-25. Service bulletin. ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted.
B5209202023-08-28. Service bulletin. Various concerns about the third row of seats.
B5209222023-01-03. Service bulletin. 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.
B5209212022-12-12. Service bulletin. 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.