# Service bulletin B520417

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: 10146680
- Published by NHTSA: 2018\-11\-05
- Manufacturer's number: B520417
- Manufacturer's date: 2017\-08\-01
- NHTSA component: SEATS

## NHTSA's summary

BACKREST NOISES WHEN UNDER LOAD. Pop noise coming from seat backrest when pressure exerted toward rear or while pulling away from a stop. Friction between top right rivet holding lordosis \(back Lumbar support\) valve block and backrest cushion spring.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10146680-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10146680-0001.pdf)

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

## Components

Seats

## Vehicles listed

- 2014 BMW 525D XDRIVE
- 2011 to 2016 BMW 528I
- 2014 to 2016 BMW 535D
- 2011 to 2017 BMW 535I
- 2010 to 2012 BMW 535I GRAN TURISMO
- 2011 BMW 535I US
- 2011 to 2017 BMW 550I
- 2010 to 2012 BMW 550I GRAN TURISMO
- 2012 BMW ACTIVE HYBRID 3
- 2013 BMW ACTIVE HYBRID 5
- 2013 to 2016 BMW M5
- 2014 to 2016 BMW R1200 S ADVENTURE

## Recalls for the same vehicles and component

- [15V718000](/recalls/nhtsa/15V718000.md), 2015-10-30: CHILD SEAT; SEATS:MID/REAR ASSEMBLY

## Other bulletins for the same vehicles and component

- [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.
- [651113](/bulletins/10150266.md), 2018-12-03, Service bulletin: SEATS. Installation of a new CIS \(capacitive sensing passenger occupancy mat\) will not enable with ISTA/P. Wrong coding in the spare part from the supplier
- [652113](/bulletins/10148130.md), 2018-11-13, Service bulletin: ELECTRICAL SYSTEM; SEATS. When Unlocking with Comfort Access the Outside Door Mirrors Are in the Wrong Position. The vehicle is locked with one remote key and then enters sleep mode. The vehicle is then unlocked using one of the outside door handles with the second remote key. The outside door mirrors do not move to the correct position. The seats do move into the correct position. CAUSE Software error in driver's seat module
- [B520412](/bulletins/10147878.md), 2018-11-13, Service bulletin: SEATS. Front Seat Base Makes Noise. A noise may be heard from the left or right front seat base when driving on rough roads. CAUSE The riveting of the seat control bracket to the metal seat base is too loose.
- [B520816](/bulletins/10146587.md), 2018-11-05, Service bulletin: SEATS. "FRONT SEAT ADJUSTMENT, WRONG DISPLAY/ERROR RECOGNITION \(FAULTY DETECTION\) IN CID What is new ? G30 has been added. ? ""Correction"" has changed from programming solution to replace seat switch. ? "Procedure" has been changed to replace the seat switch instead of programming. ? ""Parts Information"" has been added for the seat switch. ? Warranty Labor Ops have changed to reflect the updated procedure to replace the seat switch. This Service Information bulletin supersedes SI B52 08 16 dated October 2016. . The seat adjustment is erroneously displayed in the Central Information Display \(CID\) even though no adjustment was made at the seat switch. Front seat adjustment switch"
- [B520318](/bulletins/10145298.md), 2018-10-09, Service bulletin: SEATS. MEMORY SEAT ADJUSTMENT IS LIMITED: After programming the vehicle with ISTA 4.10.2x, the adjustment range of the memory seat may restricted.

JSON: [/v1/bulletins/10146680](/v1/bulletins/10146680)

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