# Service bulletin B631023

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: 11022112
- Published by NHTSA: 2025\-08\-24
- Manufacturer's number: B631023
- Manufacturer's date: 2025\-08\-19
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Condensation is present in the inner surface in one or both \(inner and/or outer\) taillamps.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022112-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022112-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2024 to 2025 BMW 530I
- 2024 to 2025 BMW 740I
- 2024 to 2025 BMW X1
- 2024 to 2025 BMW X2
- 2025 BMW X3

## Other bulletins for the same vehicles and component

- [B631123](/bulletins/11037533.md), 2026-09-28, Service bulletin: EXTERIOR LIGHTING. Moisture, condensation, and/or fogging are visible in one or both Daytime Running Lights \(DRL\) upper headlight assemblies.
- [B630925](/bulletins/11030309.md), 2026-03-30, Service bulletin: EXTERIOR LIGHTING. After programming the vehicle via ISTA/RSUto 25\-07\-5xx, some of the interior ambientlighting strips \(examples circled\) may nolonger function properly. Possible fault codes entries for F74: 804A38 – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 5 804A39 – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 6 804A3E – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 11
- [B630925](/bulletins/11026955.md), 2026-01-05, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. After programming the vehicle via ISTA/RSUto 25\-07\-5xx, some of the interior ambientlighting strips \(examples circled\) may nolonger function properly. Possible fault codes entries for F74: 804A38 – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 5 804A39 – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 6 804A3E – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 11 Possible fault codes entries for G45: 804A34 – Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 1 804A35 \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 2 804A36 \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 3 804A37 \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 4 804A38 \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 5 804A3A \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 7 804A47 \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 8 804A48 \- Interior lights layering \(IL\-LIN\_3\): versioning incorrect: LINslave 9
- [B631025](/bulletins/11025685.md), 2025-11-25, Service bulletin: EXTERIOR LIGHTING. RSU availability. The ambient lighting color cannot be saved permanently. The personalized color of the ambient lighting resets after the vehicle has gone to sleep.
- [B630825](/bulletins/11023253.md), 2025-09-22, Service bulletin: EXTERIOR LIGHTING. The front interior reading light\(s\) \(arrows\) willrandomly turn ON and OFF while driving. The reading lights are normally activated by touching the small icons \(circled\).
- [B630525](/bulletins/11022111.md), 2025-08-24, Service bulletin: EXTERIOR LIGHTING. On G45 vehicles built with option codes 552 \(Full LED Lights with Cornering Lights\), or 3MF \(M Shadowline Lights\), the headlights’ height setting might not be adjusted correctly.
- [B630325](/bulletins/11019569.md), 2025-06-17, Service campaign: EXTERIOR LIGHTING. G45 vehicles built with option codes 552 \(Full LED Lights with Cornering Lights\), or 3MF \(M ShadowlineLights\), the headlights’ height setting might not be adjusted correctly.
- [B062125](/bulletins/11015862.md), 2025-03-24, Other: EXTERIOR LIGHTING. LED Module Return
- [B631023](/bulletins/11015857.md), 2025-03-24, Service bulletin: EXTERIOR LIGHTING. Condensation is present in the inner surface in one or both \(inner and/or outer\) taillamps.
- [B060925](/bulletins/11014695.md), 2025-03-03, Other: EXTERIOR LIGHTING. LED Upper Headlights Return

JSON: [/v1/bulletins/11022112](/v1/bulletins/11022112)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20B631023&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11022112&vehicle=Service%20bulletin%20B631023)