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Service bulletin B540718

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 id10154854
Published by NHTSA2019-03-18
Manufacturer's numberB540718
Manufacturer's date2018-02-01
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

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).

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 530E2018
BMW 530I2017, 2018
BMW 540D2018
BMW 540I2017
BMW 640I2018
BMW 740E2017
BMW 740I2017
BMW 740LI2016 to 2017
BMW 750LI2016 to 2017
BMW M550I2017
BMW M760I2017
BMW M850I2019
BMW X32018, 2019
BMW X42019
BMW X52019

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

Recalls for the same vehicles and component
22V2670002022-04-20. VISIBILITY:SUN/MOON ROOF ASSEMBLY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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
B5405212023-09-25. Service bulletin. ?The sunroof will not operate in either direction.
B5401232023-09-25. Service bulletin. ?Water leaking into the vehicle from the headliner/microphone area.
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.
B5404212022-10-31. Service bulletin. The front sunroof glass seal has shrunk, creating a gap which can cause wind noise or excess water entry.
B5413192022-06-21. Service bulletin. The roller sunshade (aka sun protection or sunblind) of the front panoramic sunroof is bunching up during operation or may hang down and appear loose.
B6401212022-05-31. Service bulletin. A whistling noise is present from the fresh air inlet area (engine compartment bulkhead area), in the right front area of the vehicle, at speeds above 40 mph. The noise is loudest when the sunroof is in the vent position.
B6401212022-05-16. Service bulletin. A whistling noise is present from the fresh air inlet area (engine compartment bulkhead area), in the right front area of the vehicle, at speeds above 40 mph. The noise is loudest when the sunroof is in the vent position.
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.
B5411192021-04-26. Service bulletin. SUNROOF WATER LEAK DIAGNOSIS: This bulletin outlines multiple known areas of possible water entry for the vehicles listed above.