# Service bulletin B521119

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: 10164008
- Published by NHTSA: 2019\-08\-19
- Manufacturer's number: B521119
- Manufacturer's date: 2019\-07\-01
- NHTSA component: SEATS:BARRIERS; STRUCTURE; SEATS

## NHTSA's summary

CLICK CLACK NOISES IN BACKREST AREA OF FRONT SEAT: An alternating "click\-clack" noise is heard from the backrest area of the front seat when an occupant sits in the seat or when the vehicle is cornering. Due to the elimination of the NED \(Non\-Electrical Diagnosis\) test plan for seat noise from ISTA we are releasing this bulletin. Seat backrest frame is touching the seat cover.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10164008-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10164008-9999.pdf)

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

## Components

Body and frame, Seats

## Vehicles listed

- 2018 BMW 530E
- 2017 to 2018 BMW 530I
- 2018 BMW 540D
- 2017 BMW 540I
- 2018 BMW 640I
- 2017 BMW 740E
- 2017 BMW 740I
- 2016 to 2017 BMW 740LI
- 2016 to 2017 BMW 750LI
- 2018 BMW C 400 X
- 2017 BMW F800 R
- 2017 BMW M550I
- 2017 BMW M760I

## Other bulletins for the same vehicles and component

- [B720125](/bulletins/11028928.md), 2026-02-23, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM; SEATS. A situation may occur where the front passenger seat is not occupied; however, a “fasten seat belt” warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the seat to a slightly different position. The POL \(Passenger Occupancy Light\) light should now function correctly. In some cases, the Air bag Warning Light was illuminated, and the following Advanced Crash Safety Module \(ACSM\) fault is stored: 930A1C \- Front passenger seat occupancy detection transmitting fault \(moisture\)
- [B540521](/bulletins/10242698.md), 2023-09-25, Service bulletin: STRUCTURE:BODY:ROOF AND PILLARS; VISIBILITY:SUN/MOON ROOF ASSEMBLY. ?The sunroof will not operate in either direction.
- [B520121](/bulletins/10242694.md), 2023-09-25, Service bulletin: SEATS. ?The front seat will not calibrate/initialize, and the stored faults cannot be deleted.
- [B514616](/bulletins/10238081.md), 2023-06-26, Service bulletin: STRUCTURE:BODY:TAILGATE. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
- [B240222](/bulletins/10230725.md), 2023-01-30, Service bulletin: STRUCTURE. A cracking, metallic noise from under the center of the vehicle.
- [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.
- [SIB010421](/bulletins/10224184.md), 2022-10-17, Service bulletin: EQUIPMENT; STRUCTURE. For the eligible vehicles, BMW of North America, LLC \(BMW NA\) is extending the limited warranty for the vehicle's Radiator Grille Upper and Lower Active Air Flaps to: 15 years/150,000 miles as determined by the vehicle's original in\-service date. This component\-specific limited warranty extension applies to defects in materials or workmanship.This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Air flap issues caused by debris/blockage from outside influences is not a defect in materials or workmanship and is not claimable. During the extended limited warranty coverage period \(Eligible vehicles that are beyond the 4 year/50,000 mileage New Vehicle Limited Warranty coverage\), Active Air Flap repairs for surface appearance/cosmetic\-related defect issues are not covered. 1. Air flap control \(link\), active upper. 1. Air flap control \(drive\), active upper. 2. Air flaps upper \(assembly\) 3. Air flaps, lower \(assembly\).
- [SIB010119](/bulletins/10224183.md), 2022-10-17, Service bulletin: EQUIPMENT; STRUCTURE. For the eligible vehicles, BMW of North America, LLC \(BMW NA\) is extending the limited warranty for the vehicle's Radiator Grille Upper and Lower Active Air Flaps to: 10 years/120,000 miles as determined by the vehicle's original in\-service date. This component\-specific limited warranty extension applies to defects in materials or workmanship. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. Air flap issues caused by debris/blockage from outside influences is not a defect in materials or workmanship and is not claimable. During the extended limited warranty coverage period \(Eligible vehicles that are beyond the 4 year/50,000 mileage New Vehicle Limited Warranty coverage\), Active Air Flap cosmetic defect issues are not covered. 1. Air flap control \(link\), active, upper \(G12, G30\) 1. Air flap control \(drive\), active, upper. 2. Air flaps, upper \(assembly\). 3. Air flaps, lower \(assembly\).
- [B612219](/bulletins/10206686.md), 2022-01-24, Service bulletin: EQUIPMENT:ELECTRICAL; STRUCTURE:BODY:DOOR. The customer states that the vehicle locks itself when the last door was closed, even though the remote control/display key was inside the vehicle.
- [B520621](/bulletins/10200235.md), 2021-08-09, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SEATS. The driver's seat and/or passenger seat rattles \("cracking" noise\) during load reversal. There is a slight movement in the seat that is most noticeable when moving forwards and backwards.

JSON: [/v1/bulletins/10164008](/v1/bulletins/10164008)

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