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Service bulletin B840225

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 id11018554
Published by NHTSA2025-05-27
Manufacturer's numberB840225
Manufacturer's date2025-05-13
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

When making phone calls via BMW Bluetooth (not Apple CarPlay) in the vehicle, the person in the calloutside the vehicle hears a distorted voice reproduction.

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 230I2025
BMW 330I2024
BMW 430I2024
BMW 740I2024
BMW IX2024
BMW X12024
BMW X22024
BMW X32024
BMW X42024
BMW X52025
BMW X62025
BMW X72025
BMW XM2024

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
25V3950002025-07-23. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE
25V4700002025-07-16. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
23V7000002023-10-18. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR
23V2950002023-04-26. 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
B6305262026-09-28. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, customer may reportsome of the interior ambient lighting strips(arrows) may begin to fail sporadically after adeep sleep cycle. This concern is temporary and the interiorambient lighting will be restored on its ownafter the vehicle is locked/unlocked or colorselection setting is changed.
B6116262026-08-28. Service campaign. In vehicles equipped with the Roof Function Center “FZD‑21” variant, a quiescent‑current violation mayoccur if the system fails to enter sleep mode. When this sleep error is present, a remote software upgrade(RSU) may be aborted and the FZD can become degraded. The following Check Control Messages (CCMs) may be displayed: “Energy Management — Increased Energy Consumption While Parked.” “Software Upgrade Failed — Workshop Visit Required.”
B6408252026-08-27. 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, utlized for the vehicle interior.
B6305262026-08-27. Service bulletin. After programming the vehicle via ISTA/RSUto I-level …26-03-5xx, some of the interiorambient lighting strips (arrows) may begin tofail sporadically after a deep sleep cycle.
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.
B6520262026-07-31. Service bulletin. The Central Information Display (CID) side of the Multifunction Display (MFD) may flicker intermittently. Theflickering manifests itself in three phases: The image is distorted The central information display turns black (black screen) The image is OK again The complete flickering episode with all the above-mentioned three phases only lasts about half a second intotal each time.
B6519262026-07-31. Service bulletin. Activation of the BMW Intelligent Personal Assistant voice is not possible via the Multifunction Steering Wheel (MFL) button and/or via the Central Information Display (CID). Intelligent voice control via the wake-up word “Hey BMW” is possible.
B6518262026-07-03. Service bulletin. If BMW Intelligent Personal Assistant is active in the vehicle, once the customer exits the vehicle and a newkey cycle starts, the Intelligent Personal Assistant is deactivated and no longer available.
B6517262026-07-03. Service bulletin. After a factory reset of the head unit, the navigation voice input cannot be activated or deactivated.
B6514262026-07-03. Service bulletin. The vehicle may experience various operational issues with Apple CarPlay Projected Modes such as: Dropped connections No automatic reconnection Display errors