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Service bulletin B540416

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 id10150976
Published by NHTSA2018-12-10
Manufacturer's numberB540416
Manufacturer's date2017-01-01
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:BODY:ROOF AND PILLARS

NHTSA's summary

?SERVICE ACTION: CONVERTIBLE ROOF: TENSIONING STRAP REPLACEMENT Please perform the procedure outlined in this Service Information on all affected vehicles before customer delivery. In the event the customer has already taken delivery of the vehicle, please perform the procedure the next time the vehicle is in the shop.

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, Equipment and accessories, Glass, wipers and mirrors, Sunroof

Vehicles listed
BMW 228I2015, 2016
BMW 230I2017
BMW M235I2015, 2016
BMW M240I2017

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
SIB5402222022-08-22. Service bulletin. The sunroof and/or panoramic sunroof jams sporadically.