Police are appealing for motorists to bring forward dash cam footage of a two-vehicle crash in Albert Street, Logan Village on August 29.
An 81-year-old Logan Village man died on September 7 as a result of injuries sustained in the crash.
The man was cut from his van by firefighters after being trapped in the vehicle.
He was taken to Princess Alexandra Hospital suffering leg injuries.
The crash occurred on the intersection of Anzac Avenue and Albert Street about 10.15am.
The Forensic Crash Unit are investigating the incident.
Crime Stoppers, 1800 333 000.