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Service campaign B641124

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 campaign
NHTSA id11012093
Published by NHTSA2024-12-31
Manufacturer's numberB641124
Manufacturer's date2024-12-09
Campaign id or software version0064330200
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Quality checks have determined that the coolant changeover valve may develop a coolant leak undervery low outside temperatures (significantly lower than 32º F (0 C)).

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 I42023, 2024
BMW I52024
BMW I72023, 2024

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

Recalls for the same vehicles and component
25V3950002025-07-23. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE
25V4700002025-07-16. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
24V1350002024-02-23. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
20235612023-10-18. Electrical
23V7000002023-10-18. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR
23V4790002023-07-12. ELECTRICAL SYSTEM
23V4490002023-06-28. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
23V2950002023-04-26. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
20230932023-02-24. Electrical
23V1180002023-02-23. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE

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
B6409252026-08-27. Service campaign. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utilized for the vehicle interior.
B3401242026-08-27. Service campaign. After replacement of the Integrated Braking system (IB)/Power Brake the total distance covered might belower than when handed over to the workshop for the repair.
B6106262026-04-27. Service bulletin. Charging sessions cannot be started or they are interrupted while using a Level 2 AC high-power charging station, or with a Level 3 DC charging station. Charging may start normally but can interrupt after some time. Level 2 (240 V) Flex Charger and Wall box may also be affected. The red or white LED is displayed on the high-voltage charging socket; however, no associated fault codes are stored.
B0615262026-02-25. Other. High Voltage Connection Return
B6409252026-01-05. Service campaign. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utilized for the vehicle interior.
B1214252025-11-25. Service campaign. RSU availability. BMW AG is conducting a Service Action on certain Model Year 2025 - 2026 BMW vehicles that were produced between March 17, 2021 – November 6, 2025. In certain driving situations there can be a loss of traction or wheel slip followed by a throttle or torque requirement that can potentially damage the axle shafts. Damage of the drive shaft can cause it to break.
B6409252025-09-03. Service campaign. A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utilized for the vehicle interior.
B6133232025-07-28. Service campaign. The Combined Charging Unit (CCU) may not have been built to specifications.
B4105252025-07-02. Service bulletin. While attempting to fuel/charge the vehicle,the fuel/charge door will not open.
B6106252025-05-31. Service bulletin. The Check Control message (CCM): "You can continue driving. Drivetrain” (00029) is displayed, togetherwith the following fault code: 224188 – Accelerator pedal module, pedal sensor, sensor 1, sensor 2: Signals implausible Note: There may or may not be a drivability complaint associated with this fault.