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Service bulletin SIB640921

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 id10214265
Published by NHTSA2022-06-21
Manufacturer's numberSIB640921
Manufacturer's date2022-04-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

On these Plug-in Hybrid Electric Vehicles (PHEV), the air conditioning cycles from cold to warm air while driving or while at a standstill. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38F to 60F +; 3 to 15 + Celsius) without changing any climate control settings.

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 330E2021, 2022
BMW 330I2019, 2020, 2021, 2022
BMW M340I2020, 2021, 2022
BMW X42019, 2020
BMW X52019, 2020, 2021, 2022
BMW X5 HYBRID2021 to 2022
BMW X62019, 2020, 2021, 2022
BMW X6 M2019 to 2020
BMW X72019, 2020, 2021, 2022
BMW XB72021
BMW Z42022

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

Recalls for the same vehicles and component
26V0560002026-01-30. ELECTRICAL SYSTEM:STARTER ASSEMBLY
25V6440002025-09-25. ELECTRICAL SYSTEM:STARTER ASSEMBLY
20254992025-09-23. Electrical
25V6360002025-09-23. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
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
23V0990002023-02-17. ELECTRICAL SYSTEM:SOFTWARE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
21V5200002021-07-08. AIR BAGS:FRONTAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20206052020-12-10. Electrical

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.
B6306252025-09-03. Service bulletin. The headliner light partially/does not illuminate.
B1207252025-06-17. Service campaign. A quality check revealed that the DME in these vehicles has a programming error. This results in a deviation of the fuel-air mixture in the internal combustion engine.
B1204252025-06-17. Emissions. EMISSIONS RECALL 25E-A02: PROGRAM CONTROL UNITS
B3404252025-04-29. Service campaign. As a result of a data input error, certain fault memories are permanently stored. The permanent storage offault memories does not comply with the legal specifications of the authority (California Air Resources Board– CARB). The fault has no effect on the use of the vehicle by the customer.
B1204252025-04-28. Service campaign. As a result of a data input error, certain fault memories are permanently stored. The permanent storage offault memories does not comply with the legal specifications of the authority (California Air Resources Board– CARB). The fault has no effect on the use of the vehicle by the customer.
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.
B0116242025-01-23. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty.