# Service bulletin B520925

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 bulletin
- NHTSA id: 11020931
- Published by NHTSA: 2025\-07\-28
- Manufacturer's number: B520925
- Manufacturer's date: 2025\-07\-22
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

The seat lumbar system “Massage” will not function if the module needs to be initialized. This can occur toeither the driver’s and/or passenger side seat. Here is a list of possible faults: Seat pneumatics module front right SPNM \_ VR 025908 \- SPNMVR: Control unit is not coded 02590B \- SPNMVR: Control unit is not encoded for the vehicle 806927 \- SPNMVR: Installation location not taught in Seat pneumatics module front left SPNM \_ VL 025308 \- SPNMVL: Control unit is not coded 02530B \- SPNMVL: Control unit is not encoded for the vehicle 8067A7 \- SPNMVL: Installation location not taught in Seat Module Driver FAS SMFA 80301E \- No seat adjustment because of engine start conditions Seat Module Passenger BFS SMBF 802C1E \- No seat adjustment because of engine start conditions Seat Module Driver’s Side Rear FAH SMFAH 802E1E \- No seat adjustment because of engine start conditions Seat Module Passenger Side Rear BFH SMBFH 802A1E \- No seat adjustment because of engine start conditions

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020931-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020931-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2024 BMW X5
- 2024 BMW X6
- 2024 BMW X7
- 2024 BMW XM

## 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.
- [B630526](/bulletins/11036381.md), 2026-08-27, Service bulletin: ELECTRICAL SYSTEM. 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.
- [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.
- [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.
- [B120626](/bulletins/11034450.md), 2026-07-03, Service campaign: ELECTRICAL SYSTEM. In these vehicles with an S68 engine, an incorrect diagnosis of the Valvetronic \(VVT\) may occur. Undercertain operating conditions, the software may detect a short\-circuit in the valve control system even thoughthere is no fault. When the above\-mentioned fault occurs, the red Check Control warning light ‘Drive system fault’ illuminates.This can result in the intake valves closing gradually, which may lead to misfires while the engine is running.
- [B652025](/bulletins/11032744.md), 2026-05-18, Service bulletin: ELECTRICAL SYSTEM. After replacing the Multifunctional Display \(MFD\), the Central Information Display \(CID\) is black. The backlight of the CID is illuminated, and touch function does register an audible sound.
- [B120326](/bulletins/11030061.md), 2026-03-13, Emissions: ELECTRICAL SYSTEM. BMW AG is conducting Voluntary Emissions Recall \(effective March 11, 2026\) on certain Model Year 2023 \-2026 BMW vehicles that were produced between January 14, 2022, and September 16, 2025.
- [B062026](/bulletins/11029021.md), 2026-02-25, Other: ELECTRICAL SYSTEM. KLE Control Unit Return
- [B060126](/bulletins/11028151.md), 2026-02-04, Other: ELECTRICAL SYSTEM. Power Kit Electronics Return
- [B611925](/bulletins/11027771.md), 2026-01-23, Service bulletin: ELECTRICAL SYSTEM. SITUATION The malfunction indicator lamp \(MIL\) is triggered by the erroneous fault code 031BFC\- AC charging, charging electronics 2,internal fault: No internal capacitor discharge stored in the CCU. However, AC charging is operating as designed without a charging concern or issue. Affected PHEV vehicles have the CCU\-03 \(7.4 kW / 11 kW\) with I\-levels from 24\-07\-500 to 25\-11\-5xx

JSON: [/v1/bulletins/11020931](/v1/bulletins/11020931)

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