# Service campaign B640825

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 campaign
- NHTSA id: 11036382
- Published by NHTSA: 2026\-08\-27
- Manufacturer's number: B640825
- Manufacturer's date: 2026\-08\-12
- Campaign id or software version: 0064460200
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036382-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036382-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2024 to 2025 BMW IX

## Recalls for the same vehicles and component

- [25V395000](/recalls/nhtsa/25V395000.md), 2025-07-23: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION MOTOR:CONTROLLER:SOFTWARE
- [25V470000](/recalls/nhtsa/25V470000.md), 2025-07-16: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [23V295000](/recalls/nhtsa/23V295000.md), 2023-04-26: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [B630526](/bulletins/11037532.md), 2026-09-28, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B611626](/bulletins/11036456.md), 2026-08-28, Service campaign: ELECTRICAL SYSTEM. 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.”
- [B652026](/bulletins/11035404.md), 2026-07-31, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B651426](/bulletins/11034467.md), 2026-07-03, Service bulletin: ELECTRICAL SYSTEM. The vehicle may experience various operational issues with Apple CarPlay Projected Modes such as: Dropped connections No automatic reconnection Display errors
- [B610626](/bulletins/11034463.md), 2026-07-03, Service bulletin: ELECTRICAL SYSTEM. Charging sessions cannot be started or they are interrupted while using a Level 2 AC high\-power chargingstation, 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 boxmay also be affected. The red or white LED is displayed on the high\-voltage charging socket; however, no associated fault codesare stored.
- [B610126](/bulletins/11034462.md), 2026-07-03, Service bulletin: ELECTRICAL SYSTEM. During vehicle start\-up the Secure Element \(SE\) of the BCP may fail causing communication errors. TheCheck Control message “Drive carefully. Driving stabilisation.” will appear. In addition, the fault memoryentries below will be stored within 40 seconds of each other. ACSM: 02010A \- Coding: Coding data not qualified VIP: 02390A \- VIP control unit: Coding data not released, signature IB: 02290A \- DSC control unit: Coding data not released, signature HKFM: 020D0A \- HKFM: Coding data are not qualified
- [B610626](/bulletins/11031568.md), 2026-04-27, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B650826](/bulletins/11030312.md), 2026-03-30, Service bulletin: ELECTRICAL SYSTEM. After the software update to version …25\-07\-5XX, existing activation points for the “Automate My Habits”function no longer work.
- [B610126](/bulletins/11029070.md), 2026-02-27, Service bulletin: ELECTRICAL SYSTEM. During vehicle start\-up the Secure Element \(SE\) of the BCP may fail causing communication errors. TheCheck Control message “Drive carefully. Driving stabilisation.” will appear. In addition, the fault memoryentries below will be stored within 40 seconds of each other. ACSM: 02010A \- Coding: Coding data not qualified VIP: 02390A \- VIP control unit: Coding data not released, signature IB: 02290A \- DSC control unit: Coding data not released, signature HKFM: 020D0A \- HKFM: Coding data are not qualified
- [B061526](/bulletins/11029015.md), 2026-02-25, Other: ELECTRICAL SYSTEM. High Voltage Connection Return

JSON: [/v1/bulletins/11036382](/v1/bulletins/11036382)

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