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Service bulletin 540104

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 id10006018
Published by NHTSA2004-04-06
Manufacturer's number540104
Manufacturer's date2004-02-01
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

THE CODING DATA IN THE SUNROOF CONTROL UNIT OF EARLY PRODUCTION X3S, WITH PANORAMA SUNROOF CAN CAUSE THE SUNROOF TO LOSE ITS INITIALIZED POSITION DATA. THIS SERVICE ACTION INVOLVES X3 VEHICLES PRODUCED IN 10/03. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Glass, wipers and mirrors, Sunroof

Vehicles listed
UNKNOWN UNKNOWN1

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