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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10175285
Published by NHTSA2020-05-18
Manufacturer's numberB611420
Manufacturer's date2020-04-01
NHTSA componentELECTRICAL 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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
BMW 330I2019, 2020
BMW 530E2018, 2019, 2020
BMW 530I2017, 2018, 2019, 2020
BMW 540D2018, 2019
BMW 540D2020
BMW 540I2017, 2018, 2019, 2020
BMW 640I2018, 2019
BMW 640I2020
BMW 740E2017, 2018, 2019
BMW 740I2017, 2018, 2019, 2020
BMW 740LI2016 to 2017
BMW 745E2020
BMW 750I2018, 2019
BMW 750LI2016 to 2019
BMW 840I2020
BMW B7 ALPINA2018 to 2020
BMW C 400 X2018
BMW F800 R2017
BMW M22016, 2017, 2018, 2019, 2020
BMW M340I2020
BMW M550I2017
BMW M550I2018, 2019, 2020
BMW M760I2017, 2018, 2019, 2020
BMW M8 GRAN COUPE2020
BMW M850I2019
BMW M850I2020
BMW M850XI2019
BMW X32018, 2019, 2020
BMW X42019, 2020
BMW X52015, 2016, 2017
BMW X52019, 2020
BMW X5 M2018
BMW X62020
BMW X6 M2015 to 2019
BMW X72019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V4410002026-07-08. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
25V6440002025-09-25. ELECTRICAL SYSTEM:STARTER ASSEMBLY
20254992025-09-23. Electrical
25V6360002025-09-23. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
24V6080002024-08-13. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
20244442024-08-01. Electrical
24V5760002024-08-01. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY
23V5840002023-08-16. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS
21V5200002021-07-08. AIR BAGS:FRONTAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20V6010002020-09-30. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B1104262026-08-03. Service bulletin. 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.
B8402262026-07-31. Service campaign. 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.
B7201252026-02-23. Warranty extension. 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)
B6529252026-01-05. Service bulletin. After updating the vehicle software with ISTA,the Central Information Display (CID) willshow only “static”. There was no issue withCID operation before programming.
B7201252025-11-03. Warranty extension. 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)
B5211252025-08-24. Service bulletin. 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.
B7201252025-04-18. Warranty extension. 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.
B7202252025-04-18. Warranty extension. 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.
B7203252025-04-18. Warranty extension. 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.
B0109242025-03-21. Warranty extension. 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