# Service campaign B640925

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: 11036383
- Published by NHTSA: 2026\-08\-27
- Manufacturer's number: B640925
- Manufacturer's date: 2026\-08\-12
- Campaign id or software version: 0064450200
- 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, utilized for the vehicle interior.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036383-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036383-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2024 BMW I4
- 2025 BMW I4 EDRIVE40
- 2024 to 2025 BMW I5
- 2024 to 2025 BMW I7

## 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
- [24V135000](/recalls/nhtsa/24V135000.md), 2024-02-23: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [2023561](/recalls/tc/2023561.md), 2023-10-18: Electrical
- [23V700000](/recalls/nhtsa/23V700000.md), 2023-10-18: ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR

## Other bulletins for the same vehicles and component

- [B340124](/bulletins/11036380.md), 2026-08-27, Service campaign: ELECTRICAL SYSTEM. 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.
- [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.
- [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.
- [B061526](/bulletins/11029015.md), 2026-02-25, Other: ELECTRICAL SYSTEM. High Voltage Connection Return
- [B640925](/bulletins/11026956.md), 2026-01-05, Service campaign: ELECTRICAL SYSTEM. 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.
- [B121425](/bulletins/11025669.md), 2025-11-25, Service campaign: ELECTRICAL SYSTEM; POWER TRAIN. 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.
- [B612025](/bulletins/11024714.md), 2025-11-03, Service campaign: ELECTRICAL SYSTEM. RSU availability. It is possible the State of Health \(SoH\) of the high\-voltage \(HV\) battery is displayed incorrectly to the customer. The value is continuously displayed as 100% regardless of the actual ageing of the HV battery.
- [B640925](/bulletins/11022362.md), 2025-09-03, Service campaign: ELECTRICAL SYSTEM. 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.
- [B410525](/bulletins/11020066.md), 2025-07-02, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. While attempting to fuel/charge the vehicle,the fuel/charge door will not open.
- [B610825](/bulletins/11018729.md), 2025-05-31, Service campaign: ELECTRICAL SYSTEM. The operating time value was written too high in the Storage Management Electronics \(SME\) during thehigh\-voltage battery “End Of Line” \(EOL\) test. The excessive operating hours input results in a significant limitation in the charging capacity when vehicleis be charged with DC.

JSON: [/v1/bulletins/11036383](/v1/bulletins/11036383)

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