# Service bulletin B611420

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: 10175285
- Published by NHTSA: 2020\-05\-18
- Manufacturer's number: B611420
- Manufacturer's date: 2020\-04\-01
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

DEACTIVATION OF THE INTERIOR MOVEMENT DETECTOR/TILT ALARM SENSOR IS NOT POSSIBLE: Customer complains that the interior movement detector and the tilt alarm sensor system cannot be deactivated by pressing the lock button on the remote control / BMW display key twice. The second button press on the radio remote control / BMW display key is not detected. Customer may have to press the button 3 times to deactivate the interior movement detector and tilt alarm sensor. CAUSE Software error in the control unit of the roof function center \(FZD\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10175285-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10175285-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2019 to 2020 BMW 330I
- 2018 to 2020 BMW 530E
- 2017 to 2020 BMW 530I
- 2018 to 2019 BMW 540D
- 2020 BMW 540D
- 2017 to 2020 BMW 540I
- 2018 to 2019 BMW 640I
- 2020 BMW 640I
- 2017 to 2019 BMW 740E
- 2017 to 2020 BMW 740I
- 2016 to 2017 BMW 740LI
- 2020 BMW 745E
- 2018 to 2019 BMW 750I
- 2016 to 2019 BMW 750LI
- 2020 BMW 840I
- 2018 to 2020 BMW B7 ALPINA
- 2018 BMW C 400 X
- 2017 BMW F800 R
- 2016 to 2020 BMW M2
- 2020 BMW M340I
- 2017 BMW M550I
- 2018 to 2020 BMW M550I
- 2017 to 2020 BMW M760I
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 BMW M850I
- 2019 BMW M850XI
- 2018 to 2020 BMW X3
- 2019 to 2020 BMW X4
- 2015 to 2017 BMW X5
- 2019 to 2020 BMW X5
- 2018 BMW X5 M
- 2020 BMW X6
- 2015 to 2019 BMW X6 M
- 2019 to 2020 BMW X7

## Recalls for the same vehicles and component

- [26V441000](/recalls/nhtsa/26V441000.md), 2026-07-08: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
- [25V644000](/recalls/nhtsa/25V644000.md), 2025-09-25: ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [2025499](/recalls/tc/2025499.md), 2025-09-23: Electrical
- [25V636000](/recalls/nhtsa/25V636000.md), 2025-09-23: ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
- [24V608000](/recalls/nhtsa/24V608000.md), 2024-08-13: ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
- [2024444](/recalls/tc/2024444.md), 2024-08-01: Electrical
- [24V576000](/recalls/nhtsa/24V576000.md), 2024-08-01: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY
- [23V584000](/recalls/nhtsa/23V584000.md), 2023-08-16: ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS
- [21V520000](/recalls/nhtsa/21V520000.md), 2021-07-08: AIR BAGS:FRONTAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [20V601000](/recalls/nhtsa/20V601000.md), 2020-09-30: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [B110426](/bulletins/11035500.md), 2026-08-03, Service bulletin: ENGINE; ELECTRICAL SYSTEM. The manual starting of electronic engine oil level measurement from inside the vehicle, usually afterperforming an engine oil service task, is inoperative or it may lock up at between a 15% to 30% completionrate.
- [B840226](/bulletins/11035408.md), 2026-07-31, Service campaign: ELECTRICAL SYSTEM. Once the Telematics Module \(TCB2\) enters sleep mode, a BMW Data Services trigger for Remote Services\(remote engine start, lock/unlock/climate conditioning\) will not be able to reactivate the TCB2. Due to this issue, Remote Services will not function in the vehicle when parked and locked.
- [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 \(moisture\)
- [B652925](/bulletins/11026967.md), 2026-01-05, Service bulletin: ELECTRICAL SYSTEM. After updating the vehicle software with ISTA,the Central Information Display \(CID\) willshow only “static”. There was no issue withCID operation before programming.
- [B720125](/bulletins/11024726.md), 2025-11-03, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM. 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 \(moisture\)
- [B521125](/bulletins/11022110.md), 2025-08-24, Service bulletin: SEATS; ELECTRICAL SYSTEM. If the seat ventilation is deactivated via the switch or due to parking the vehicle, the fans in the seat cushionor under the seat cushion surface are unpleasantly loud. The fans speed up loudly twice and then turn off. The functionality of the fans is not impaired. This behavior only occurs after the vehicle had been programmed to I level S18A\- 25\-07\-520 and higher; upto, but not including S18A\- 25\-07\-551.
- [B720125](/bulletins/11017101.md), 2025-04-18, Warranty extension: ELECTRICAL SYSTEM; AIR BAGS. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B720225](/bulletins/11017100.md), 2025-04-18, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B720325](/bulletins/11017099.md), 2025-04-18, Warranty extension: ELECTRICAL SYSTEM; AIR BAGS. The Supplemental Restraint Systems \(SRS\) Front Passenger’s Seat Occupancy Capacitive Interior Sensor \(CIS\) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,000 miles as determined from the vehicle's original in\-service / first delivery date.
- [B010924](/bulletins/11015848.md), 2025-03-21, Warranty extension: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. The High\-Voltage \(HV\) Battery Assemblys Cell Modules Temperature Sensors \(Internal NTC repair kit\-specific\) limited warranty for defects in materials or workmanship has been extended to 10 years / 120,000 miles as determined from the original in\-service/first delivery date

JSON: [/v1/bulletins/10175285](/v1/bulletins/10175285)

[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%20B611420&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10175285&vehicle=Service%20bulletin%20B611420)