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Service bulletin B540315

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10147879
Published by NHTSA2018-11-13
Manufacturer's numberB540315
Manufacturer's date2015-12-01
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

Sunroof Makes a Creaking Noise During Operation. When opening or closing the sunroof a creaking/ crackling type noise is heard. Insufficient lubrication of the sunroof guide rails

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors, Sunroof

Vehicles listed
BMW X52015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B5404212023-11-01. Service bulletin. This situation can result in two customer complaints: 1. Wind noise 2. Excess water entry
B5404212022-10-31. Service bulletin. The front sunroof glass seal has shrunk, creating a gap which can cause wind noise or excess water entry.
B5407192019-10-21. Service bulletin. GURGLING NOISE FROM SUNROOF DRAINS: A gurgling noise can be heard from the front sunroof.
B5408182018-11-26. Service bulletin. SUNROOF REPAIR KIT COMPONENTS. Based on feedback from technicians, it can be difficult to identify the individual components included with sunroof repair kits. In some cases complete sunroofs are replaced, when a sunroof repair kit could have been used. This bulletin covers the contents of the sunroof repair kits in order to help you identify the correct repair for the vehicle you are working on.
5401142018-11-13. Service bulletin. Panoramic Sunroof Does Not Open or Close. One or both of the following may occur: 1. The sunroof becomes stuck during operation. 2. The sunroof cannot be opened or closed. The panoramic sunroof rear glass mechanism fails. The drive cable plate is either broken or bent.
B5401152018-11-13. Service bulletin. Water Leaking from Headliner. During and/or after heavy or prolonged rain, one or both of the situation(s) listed below may occur: ? Water leaks from various locations in the headliner. ? The footwell carpet is wet or soaked with water. Multiple root causes have been linked to this issue. One or more of the cause listed below may apply. The sunroof drain tube is: ? Not properly connected to the sunroof ? Twisted or kinked between the sunroof and where it exits the vehicle ? The sunroof drain is cut or torn above the headliner.