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Service bulletin B540225

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 id11016441
Published by NHTSA2025-04-03
Manufacturer's numberB540225
Manufacturer's date2025-03-27
NHTSA componentSTRUCTURE:BODY

NHTSA's summary

While driving on an uneven road, a “clicking”sound is heard from the front bow/cowl panelarea of the convertible top.

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

Body and frame

Vehicles listed
BMW Z42021, 2022, 2023

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

Recalls for the same vehicles and component
20230752023-02-17. Structure

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
B5403242025-01-23. Service bulletin. The convertible top does not open or close.
B5113232023-09-25. Service bulletin. ?The outer A-pillar trim panel (arrow) protrudes outward (circled) towards the cowl seal.
B2402222023-01-30. Service bulletin. A cracking, metallic noise from under the center of the vehicle.
B6122192022-01-24. Service bulletin. The customer states that the vehicle locks itself when the last door was closed, even though the remote control/display key was inside the vehicle.
B6508212021-08-09. Service bulletin. Customer states the Central Information Display is flickering and the picture is shifting.
B5107212021-05-24. Service bulletin. INCREASED EFFORT REQUIRED TO OPEN DOORS: One or more doors may require increased effort to open.
B6111202021-02-01. Service bulletin. WHEN LOCKING VEHICLE, DOORS ARE LOCKED BUT VEHICLE IS NOT SECURED: The customer complains that when locking the vehicle from the outside using the remote control: The doors lock The alarm system is not activated The side mirrors (when the function is activated) do not fold in.
B5112192020-10-19. Service bulletin. KIDNEY GRILL ACTIVE AIR FLAP FAULTS: A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.