# Service bulletin B840214 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: 10174320 - Published by NHTSA: 2020\-04\-27 - Manufacturer's number: B840214 - Manufacturer's date: 2020\-04\-01 - NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY ## NHTSA's summary CONNECTEDDRIVE/BMW ASSIST SYSTEM DIAGNOSIS INFORMATION: This Service Information Bulletin \(Revision 7\) replaces SI B84 02 14 dated May 2019. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information Bulletin: Is being published because vehicles are down for an extended period of time when researching system failures with ConnectedDrive or BMW Assist. Will assist you both in identifying the issue and providing technical support. CAUSE Not enough information is available for BMW NA engineers to assist the technician in diagnosing the root cause. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174320-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174320-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Electrical system, Equipment and accessories ## Vehicles listed - 2014 to 2016 BMW 228I - 2017 to 2020 BMW 230I - 2013 to 2018 BMW 320I - 2014 to 2018 BMW 328D - 2012 to 2016 BMW 328I - 2016 to 2018 BMW 330E - 2017 to 2020 BMW 330I - 2012 to 2017 BMW 335I - 2016 to 2018 BMW 340I - 2020 BMW 340I - 2014 to 2016 BMW 428I - 2017 to 2020 BMW 430I - 2014 to 2016 BMW 435I - 2017 to 2020 BMW 440I - 2014 BMW 525D XDRIVE - 2011 to 2016 BMW 528I - 2018 to 2020 BMW 530E - 2017 to 2020 BMW 530I - 2014 to 2016 BMW 535D - 2011 to 2017 BMW 535I - 2010 to 2012 BMW 535I GRAN TURISMO - 2011 BMW 535I US - 2018 to 2019 BMW 540D - 2020 BMW 540D - 2017 to 2020 BMW 540I - 2011 to 2017 BMW 550I - 2010 to 2012 BMW 550I GRAN TURISMO - 2012 to 2019 BMW 640I - 2020 BMW 640I - 2012 to 2018 BMW 650I - 2017 to 2019 BMW 740E - 2012 to 2015 BMW 740I - 2017 to 2020 BMW 740I - 2011 BMW 740I US - 2015 BMW 740LD - 2011 to 2015 BMW 740LI - 2016 to 2017 BMW 740LI - 2020 BMW 745E - 2009 to 2015 BMW 750I - 2018 to 2019 BMW 750I - 2009 to 2015 BMW 750LI - 2016 to 2019 BMW 750LI - 2010 to 2012 BMW 760LI - 2014 to 2015 BMW 760LI - 2020 BMW 840I - 2013 BMW ACTIVE HYBRID 3 - 2014 to 2015 BMW ACTIVE HYBRID 3 - 2012 to 2013 BMW ACTIVE HYBRID 5 - 2012 to 2013 BMW ACTIVE HYBRID 7 - 2014 to 2015 BMW ACTIVE HYBRID 7 - 2011 BMW ACTIVEHYBRID 7 - 2015 to 2016 BMW B7 ALPINA - 2018 to 2020 BMW B7 ALPINA - 2014 to 2020 BMW I3 - 2014 to 2017 BMW I8 - 2019 BMW I8 - 2016 to 2020 BMW M2 - 2014 to 2016 BMW M235I - 2017 to 2020 BMW M240I - 2015 to 2018 BMW M3 - 2020 BMW M340I - 2015 to 2020 BMW M4 - 2013 to 2016 BMW M5 - 2018 to 2020 BMW M5 - 2017 BMW M550I - 2018 to 2020 BMW M550I - 2013 to 2019 BMW M6 - 2017 to 2020 BMW M760I - 2020 BMW M8 - 2020 BMW M8 GRAN COUPE - 2019 BMW M850I - 2020 BMW M850I - 2019 BMW M850XI - 2016 to 2020 BMW X1 - 2018 to 2020 BMW X2 - 2011 to 2020 BMW X3 - 2015 to 2020 BMW X4 - 2014 to 2020 BMW X5 - 2018 BMW X5 M - 2015 to 2020 BMW X6 - 2015 to 2019 BMW X6 M - 2019 to 2020 BMW X7 - 2019 to 2020 BMW Z4 ## Recalls for the same vehicles and component - [2026332](/recalls/tc/2026332.md), 2026-07-08: Electrical - [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. - [B840326](/bulletins/11035409.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. - [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 \(moisture\) - [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. - [B720417](/bulletins/11017098.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 inservice / first delivery date. 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