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Service bulletin B520616

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 id10146957
Published by NHTSA2018-11-05
Manufacturer's numberB520616
Manufacturer's date2016-11-01
NHTSA componentSEATS; SEATS:FRONT ASSEMBLY:RECLINER; SEATS:BARRIERS

NHTSA's summary

DRIVER'S SEAT GROANS/CREAKS UNDER LOAD. Driver's seat backrest produces a groaning/creaking noise in the vicinity of the backrest width adjustment (refer to attached below video) when put under load (upper body pressure into seat back). http://tinyurl.com/jnlof6f Friction at the contact point between lumbar supports and the holder/clip or at lumbar support base plate.

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 X12016, 2017
BMW X1 SAV2016 to 2017

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

Recalls for the same vehicles and component
20192762019-06-07. Seats And Restraints
20161072016-03-03. Seats And Restraints

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
B5217232024-02-01. Service bulletin. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
B5217232024-01-03. Service bulletin. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative .During the vehicle test, the seat module does not respond. The power supply fuse for the seat module is found to have blown.
B5222192020-01-21. Service bulletin. NOISE DURING FORWARD / BACK SEAT ADJUSTMENT OVER THE ENTIRE LENGTH OF TRAVEL: A loud screeching noise can be heard from the front driver's or passenger's seat during forward/back seat adjustment.
B5222192019-10-21. Service bulletin. NOISE DURING FORWARD/BACK SEAT ADJUSTMENT OVER THE ENTIRE LENGTH OF TRAVEL: A loud screeching noise can be heard from the front driver's or passenger's seat during forward/back seat adjustment.
B5203162018-12-10. Service bulletin. "Driver's Seat will not Return to Saved Position. The driver's seat adjustment does not return to the saved position after changing the driver profiles (Personal Profile). NOTE: the setting for both remote keys must be selected in vehicle setting to ""Move to the last seat position"". From the CID, ""Settings""- ""Doors/ignition key""- ""Last seat position automat. "". Coding error in seat module"
B5205162018-11-05. Service bulletin. HEATED SEAT TEMPERATURES INCORRECT. Seat heater output is incorrect - too high or too low. Target temperatures: Level 1 = 95F after 20 min Level 2 = 99.5F after 20 min Level 3 = 104F after 20 min Insufficient encoding of seat heating control unit.
B5203182018-10-09. Service bulletin. MEMORY SEAT ADJUSTMENT IS LIMITED: After programming the vehicle with ISTA 4.10.2x, the adjustment range of the memory seat may restricted.
B5201182018-05-07. Service bulletin. EXPOSED FOAM IS VISIBLE UNDER THE FRONT SEAT: Exposed foam is visible under the optional front sport seat or in rear footwell as shown in the picture.