# Service bulletin B520818

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: 10153640
- Published by NHTSA: 2019\-02\-25
- Manufacturer's number: B520818
- Manufacturer's date: 2019\-01\-01
- NHTSA component: SEATS

## NHTSA's summary

FRONT PASSENGER SEAT SPORADIC MOVEMENT. Occasional stopping of seat adjustability movement in the driver and front passenger seats when occupied.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10153640-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10153640-9999.pdf)

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

## Components

Seats

## Vehicles listed

- 2014 to 2016 BMW 228I
- 2017 to 2018 BMW 230I
- 2013 to 2017 BMW 320I
- 2014 to 2017 BMW 328D
- 2012 to 2016 BMW 328I
- 2016 to 2017 BMW 330E
- 2017 BMW 330I
- 2012 to 2016 BMW 335I
- 2016 to 2017 BMW 340I
- 2014 to 2016 BMW 428I
- 2017 to 2018 BMW 430I
- 2014 to 2016 BMW 435I
- 2017 to 2018 BMW 440I
- 2017 BMW 5\-SERIES GRAN TURISMO
- 2013 BMW ACTIVE HYBRID 3
- 2014 to 2015 BMW ACTIVE HYBRID 3
- 2014 to 2016 BMW M235I
- 2017 to 2018 BMW M240I
- 2018 BMW X2
- 2011 to 2017 BMW X3
- 2015 to 2017 BMW X4

## Recalls for the same vehicles and component

- [2016242](/recalls/tc/2016242.md), 2016-05-20: Seats And Restraints
- [12V176000](/recalls/nhtsa/12V176000.md), 2012-04-20: SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

## Other bulletins for the same vehicles and component

- [B521823](/bulletins/10247574.md), 2024-01-03, Service bulletin: SEATS. A noise can be heard from underneath the seat while the seat is being moved either forwards or backwards. This can occur to the driver’s and/or the passenger’s front seat.
- [B520121](/bulletins/10242694.md), 2023-09-25, Service bulletin: SEATS. ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted.
- [B650414](/bulletins/10227568.md), 2022-12-12, Service bulletin: LANE DEPARTURE; UNKNOWN OR OTHER; AIR BAGS; SEATS:BARRIERS; BACK OVER PREVENTION. According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 \- Seat occupancy detection, front passenger; malfunction" is stored. The fault may or may not currently be present. Or 2. ACSM fault code "930A1C \- Front passenger seat occupancy detection transmitting fault\(moisture\)" is stored. The fault may or may not currently be present.
- [B520121](/bulletins/10200234.md), 2021-08-09, Service bulletin: SEATS; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Front seat will not calibrate/initialize, and the stored faults cannot be deleted
- [B513316](/bulletins/10200233.md), 2021-08-09, Service bulletin: STRUCTURE:BODY; STRUCTURE:FRAME AND MEMBERS; SEATS. Water sloshing noises coming from the rear passenger compartment \(left or right\) while driving Water ingress in the luggage compartment, or in the rear passenger compartment\- rear seat bench rear passenger compartment foot well rear passenger compartment side panel Failure of various control units installed in the area of the water removal channel
- [B110321](/bulletins/10198899.md), 2021-07-06, Service bulletin: SEATS. B58 ENGINE: ENGINE OIL FILTER REMOVAL PROCEDURE AND TOOLS . A. For the B58 engines, a BMW Oil Catch special tool for use in conjunction with removing the engine oilfilter insert is now available.
- [B520121](/bulletins/10188945.md), 2021-03-15, Service bulletin: SEATS. SEAT FAILS TO INITIALIZE DUE TO MISSING END STOP: Front seat will not calibrate/initialize.
- [B520120](/bulletins/10171492.md), 2020-02-18, Service bulletin: SEATS. GROANING NOISE FROM TRIM APERTURE ON THE FRONT SEAT: When getting in or out of the vehicle a groaning noise can be heard from the opening \(aperture\) in the seat backrest. The noise may be heard from one or both of the front seats. The trim aperture in the front seat is insufficiently lubricated. The front and rear halves of the trim can contact each other causing friction noise.
- [B522219](/bulletins/10170580.md), 2020-01-21, Service bulletin: SEATS. 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.
- [B522219](/bulletins/10166378.md), 2019-10-21, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SEATS. 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.

JSON: [/v1/bulletins/10153640](/v1/bulletins/10153640)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20B520818&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10153640&vehicle=Service%20bulletin%20B520818)