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Service bulletin B540319

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 id10160345
Published by NHTSA2019-05-20
Manufacturer's numberB540319
Manufacturer's date2019-04-01
NHTSA componentEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

GROANING NOISE FROM SUNROOF . A groaning noise is present from the area between the front and rear sunroof glass panels only with the sunroof completely closed. Venting the front sunroof glass causes the noise to stop. The front sunroof glass is rubbing against the rubber seal of the rear sunroof glass.

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

Equipment and accessories, Glass, wipers and mirrors, Sunroof

Vehicles listed
BMW 740E2017
BMW 740I2017
BMW 740LI2016 to 2017
BMW 750LI2016 to 2017
BMW M760I2017

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
B5405212023-09-25. Service bulletin. ?The sunroof will not operate in either direction.
B5405212023-01-03. Service bulletin. The sunroof will not operate in either direction. There are NO faults stored related to the sunroof. If the vehicle has any faults stored related to the sunroof, this bulletin does not apply.
B5401212021-05-24. Service bulletin. SUNROOF REVERSES WHEN CLOSING: After the vehicle is left in the hot sun and/or high temperatures with the sunroof in the vented position, the sunroof may reverse (anti-trap activates) when closing.
B5403192019-05-20. Service bulletin. GROANING NOISE FROM SUNROOF . A groaning noise is present from the area between the front and rear sunroof glass panels only with the sunroof completely closed. Venting the front sunroof glass causes the noise to stop. The front sunroof glass is rubbing against the rubber seal of the rear sunroof glass.
B5407182019-03-18. Service bulletin. PANORAMIC SUNROOF DOES NOT OPEN OR CLOSE. The panoramic sunroof will not open or close. The sunroof may only tilt with no other functions available. There are no faults stored for the panoramic sunroof. A software error in the Roof Function Center (FZD).
B5407182019-02-25. Service bulletin. PANORAMIC SUNROOF DOES NOT OPEN OR CLOSE. The panoramic sunroof will not open or close. The sunroof may only tilt with no other functions available. There are no faults stored for the panoramic sunroof. A software error in the Roof Function Center (FZD).