# Service bulletin B540918

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: 10149536
- Published by NHTSA: 2018\-11\-26
- Manufacturer's number: B540918
- Manufacturer's date: 2018\-10\-01
- NHTSA component: EQUIPMENT; VISIBILITY:SUN/MOON ROOF ASSEMBLY

## NHTSA's summary

SERVICE ACTION: REPLACE SLIDE/TILT SUNROOF SEAL. The slide/tilt sunroof seal may leak water into the vehicle. The slide/tilt sunroof seal may have been cut too short, and may not correctly seal the roof.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10149536-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10149536-0001.pdf)

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

## Components

Equipment and accessories, Glass, wipers and mirrors, Sunroof

## Vehicles listed

- 2018 BMW X6

## Other bulletins for the same vehicles and component

- [B540421](/bulletins/10244239.md), 2023-11-01, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE. This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
- [B540421](/bulletins/10225114.md), 2022-10-31, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. The front sunroof glass seal has shrunk, creating a gap which can cause wind noise or excess water entry.

JSON: [/v1/bulletins/10149536](/v1/bulletins/10149536)

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