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Service bulletin 8420604

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 id10006785
Published by NHTSA2004-05-12
Manufacturer's number8420604
Manufacturer's date2004-03-11
NHTSA componentEQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

NHTSA's summary

DIAGNOSTIC ERROR READING BMW ASSIST EMERGENCY BUTTON STATUS. BMW 3 SERIES, Z4, X5 AND X3 FROM 9.2003 TO 10.2003 PRODUCTION. *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

Equipment and accessories

Vehicles listed
UNKNOWN UNKNOWN1

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