There are 2 owner-reported lighting complaints for the 2004 BMW Z4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
PASSENGER'S AIRBAG INDICATION LIGHT IS MALFUNCTIONED. THE INDICATION LIGHT OF PASSENGER'S AIRBAG SHOWS ALWAYS OFF. THEREFORE IT CAN'T TELL THE AIRBAG IS ON OR OFF. *TR
MY BMW Z4 WHICH IS STILL UNDER WARRANTY HAS DEFECTIVE HEADLIGHTS AND THE DEALER REFUSES TO REPAIR THEM. BMW USED AN INFERIOR TYPE OF PLASTIC WHICH IS CLOUDING OVER AND PREVENTING THE HEADLIGHTS FROM WORKING CORRECTLY. PLEASE RECALL THESE VEHICLES SO THAT BMW WILL REPAIR THE LIGHTS AND MAKE IT SAFE TO DRIVE AT NIGHT AGAIN. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026