There are 1 owner-reported lighting complaints for the 2005 BMW 6 Seriesin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2005 BMW 645CI. The contact stated that while the vehicle was at the independent mechanic for the front driver’s side bulb replacement, the mechanic informed the contact that the headlight wires were brittle and burnt. The dealer was made aware of the failure and informed the contact to buy new headlamps. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to file a complaint with the NHTSA. The failure mileage was 100,046.
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