# Service bulletin B631025

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: 11025685
- Published by NHTSA: 2025\-11\-25
- Manufacturer's number: B631025
- Manufacturer's date: 2025\-11\-10
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025685-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11025685-9999.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 I5

## Other bulletins for the same vehicles and component

- [B631023](/bulletins/11022112.md), 2025-08-24, Service bulletin: EXTERIOR LIGHTING. Condensation is present in the inner surface in one or both \(inner and/or outer\) taillamps.
- [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.
- [B631223](/bulletins/10244243.md), 2023-11-01, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Upon performing a vehicle read out, faultcode \(CD0D16\- Control unit light \(BEL\)\(LIN\): Wrong variant installed\) is stored inthe BCP \(Basic Central Platform\). Note: Functionality of the exterior lights and switch is fully operational when fault code is present.

JSON: [/v1/bulletins/11025685](/v1/bulletins/11025685)

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