# Service bulletin B630321

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: 10239610
- Published by NHTSA: 2023\-07\-24
- Manufacturer's number: B630321
- Manufacturer's date: 2023\-06\-01
- NHTSA component: EXTERIOR LIGHTING:TAIL LIGHTS

## NHTSA's summary

Condensation is present on the inner surfaces in one or both taillights \(circled\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10239610-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10239610-9999.pdf)

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

## Components

Lighting, Tail lights

## Vehicles listed

- 2021 to 2023 BMW 330E
- 2019 to 2023 BMW 330I
- 2021 to 2023 BMW 430I
- 2020 to 2022 BMW 840I
- 2022 to 2023 BMW ALPINA XB7
- 2021 BMW B7 ALPINA
- 2022 to 2023 BMW I4
- 2021 to 2023 BMW M3
- 2020 to 2023 BMW M340I
- 2021 to 2023 BMW M4
- 2023 BMW M4 GT4
- 2021 to 2022 BMW M440I
- 2020 to 2022 BMW M8
- 2020 BMW M8 GRAN COUPE
- 2019 BMW M850I
- 2020 to 2022 BMW M850I
- 2019 BMW M850XI
- 2019 to 2023 BMW X5
- 2020 to 2022 BMW X6
- 2019 to 2023 BMW X7
- 2019 to 2023 BMW Z4

## Other bulletins for the same vehicles and component

- [B630719](/bulletins/10169470.md), 2019-12-16, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:TAIL LIGHTS. DELIVERY STOP: PROGRAMMING CONTROL MODULES \(TAIL LAMPS\). BMW of North America LLC has issued a Delivery Stop \(effective October 24 2019\) on a small number of Model Year 2020 BMW X6 vehicles that were produced in the date range shown above. In extremely rare instances dimming of the tail lamps in the "Welcome mode" and "Goodbye mode" could cause the left or rear tail lamps and/or brake lamps to not illuminate. It is unlikely that the left and right tail lamps will not illuminate simultaneously.

JSON: [/v1/bulletins/10239610](/v1/bulletins/10239610)

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