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Service bulletin B511218

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 id10188943
Published by NHTSA2021-03-15
Manufacturer's numberB511218
Manufacturer's date2021-02-01
NHTSA componentSTRUCTURE

NHTSA's summary

TRIM STRIP IS LOOSE OR DETACHED FROM ROOF: The roof trim strip may be loose or detached. The roof trim strip adhesive was not sufficient.

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 M52018, 2019, 2020, 2021

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.
B5146162023-06-26. Service bulletin. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
B5124192019-09-23. Service bulletin. CRACKING NOISE FROM DASHBOARD TRIM. A cracking noise is present from the area of the dashboard trim when heating or cooling the vehicle. Thermal expansion of the plastic components of the decorative trim causes cracking noises.
B5113192019-05-20. Service bulletin. DOOR LATCHING COMPLAINTS IN COLD WEATHER. Below freezing temperatures: One or more doors (front or rear) may not open or After opening they may not correctly latch. A leaking seal on the outer Bowden release cable may allow water to enter the cable sheathing and freeze.
B5114192019-05-20. Service bulletin. KIDNEY GRILL(S) LOOSE. One or both kidney grills may be loose.
B5113192019-05-20. Service bulletin. DOOR LATCHING COMPLAINTS IN COLD WEATHER. Below freezing temperatures: One or more doors (front or rear) may not open or After opening they may not correctly latch. A leaking seal on the outer Bowden release cable may allow water to enter the cable sheathing and freeze.