# Service bulletin B520318

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: 10145298
- Published by NHTSA: 2018\-10\-09
- Manufacturer's number: B520318
- Manufacturer's date: 2018\-06\-01
- NHTSA component: SEATS

## NHTSA's summary

MEMORY SEAT ADJUSTMENT IS LIMITED: After programming the vehicle with ISTA 4.10.2x, the adjustment range of the memory seat may restricted.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145298-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10145298-0001.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
- 2012 BMW 320I
- 2013 to 2018 BMW 320I
- 2014 to 2018 BMW 328D
- 2012 to 2016 BMW 328I
- 2016 to 2018 BMW 330E
- 2017 to 2018 BMW 330I
- 2012 to 2016 BMW 335I
- 2016 to 2018 BMW 340I
- 2014 to 2016 BMW 428I
- 2017 to 2018 BMW 430I
- 2014 to 2016 BMW 435I
- 2017 to 2018 BMW 440I
- 2014 BMW 525D XDRIVE
- 2011 to 2016 BMW 528I
- 2014 to 2016 BMW 535D
- 2010 to 2017 BMW 535I
- 2012 BMW 535I ACTIVEHYBRID
- 2011 BMW 535I US
- 2010 to 2017 BMW 550I
- 2012 to 2018 BMW 640I
- 2012 to 2018 BMW 650I
- 2012 to 2015 BMW 740I
- 2011 BMW 740I US
- 2012 to 2015 BMW 740LI
- 2009 to 2015 BMW 750I
- 2011 BMW 750I US
- 2009 to 2015 BMW 750LI
- 2011 to 2015 BMW 760LI
- 2012 BMW ACTIVE HYBRID 7
- 2014 BMW ACTIVE HYBRID 7
- 2011 BMW ACTIVEHYBRID 7
- 2013 BMW F800 R
- 2015 BMW F800 R
- 2016 to 2018 BMW M2
- 2014 to 2016 BMW M235I
- 2017 to 2018 BMW M240I
- 2015 to 2018 BMW M3
- 2015 to 2018 BMW M4
- 2012 BMW M5
- 2013 to 2016 BMW M5
- 2012 to 2018 BMW M6
- 2015 BMW R NINE T
- 2016 to 2018 BMW X1
- 2016 to 2017 BMW X1 SAV
- 2018 BMW X2
- 2011 to 2017 BMW X3
- 2015 to 2018 BMW X4
- 2014 to 2018 BMW X5
- 2018 BMW X5 M
- 2015 to 2018 BMW X6

## Recalls for the same vehicles and component

- [2019276](/recalls/tc/2019276.md), 2019-06-07: Seats And Restraints
- [2016242](/recalls/tc/2016242.md), 2016-05-20: Seats And Restraints
- [2016107](/recalls/tc/2016107.md), 2016-03-03: Seats And Restraints
- [15V718000](/recalls/nhtsa/15V718000.md), 2015-10-30: CHILD SEAT; SEATS:MID/REAR ASSEMBLY
- [2014461](/recalls/tc/2014461.md), 2014-10-17: Seats And Restraints
- [14V650000](/recalls/nhtsa/14V650000.md), 2014-10-17: SEATS
- [12V176000](/recalls/nhtsa/12V176000.md), 2012-04-20: SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

## 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 \(moisture\)
- [B521723](/bulletins/10249023.md), 2024-02-01, Service bulletin: ELECTRICAL SYSTEM; SEATS. 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.
- [B521723](/bulletins/10247576.md), 2024-01-03, Service bulletin: SEATS. 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.
- [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.
- [B522319](/bulletins/10244258.md), 2023-11-01, Service bulletin: SEATS. 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.
- [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.
- [B521919](/bulletins/10225113.md), 2022-10-31, Service bulletin: SEATS. The passenger's side \(right rear\) of the 60/40 split 2nd row seat may intermittently not fully latch into position on one side \(inner rail\).
- [B520622](/bulletins/10225112.md), 2022-10-31, Service bulletin: SEATS. When returning the 2nd row seat 40% \(right\) side 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 back is unlocked. The passenger's side \(right rear 40% seat\) of the 60/40 split 2nd row seat may intermittently not fully latch into position on one side \(inner rail\).
- [B520422](/bulletins/10225111.md), 2022-10-31, Service bulletin: SEATS. When returning the 2nd row seat 60% \(left\) side 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 back is unlocked.

JSON: [/v1/bulletins/10145298](/v1/bulletins/10145298)

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