# Service bulletin B630416

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: 10151328
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: B630416
- Manufacturer's date: 2016\-05\-01
- NHTSA component: ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS

## NHTSA's summary

LED Headlight CCM/Output Decrease. Any of the following may be evident: CCM about front headlights Headlight output decreases during operation 8059AFFan 1: Line disconnection / 8059AE Fan 1: Short circuit / Headlight fan failure

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10151328-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10151328-0001.pdf)

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

## Components

Electrical system, Lighting, Headlights

## Vehicles listed

- 2015 to 2017 BMW 640I
- 2015 to 2017 BMW 650I
- 2015 to 2017 BMW M6

## Other bulletins for the same vehicles and component

- [B630516](/bulletins/10146962.md), 2018-11-05, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES. "HEADLIGHT ASSEMBLIES HAVE VISIBLE INTERNAL MOISTURE/CONDENSATION. Water on the inside \(A\) or misting \(B\) of both headlight lenses that is visible from outside. Water inside the headlights can be caused by two situations: Water/moisture ingress into the headlight housing. Thermal conditions that result in the formation of condensation. Note: An important indication that the moisture issue is caused by ""condensation"" rather than a ""water leak"" into the headlight housing, there will be misting/condensation in ""both headlights."""
- [B630516](/bulletins/10136355.md), 2018-05-07, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING. HEADLIGHT ASSEMBLIES HAVE VISIBLE INTERNAL MOISTURE/CONDENSATION: Water on the inside \(A\) or misting \(B\) of both headlight lenses that is visible from outside.

JSON: [/v1/bulletins/10151328](/v1/bulletins/10151328)

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