Update: 

Sabrina Bremer's car has been located in Woodridge after a public appeal from Police led them to the discovery. 

NSW Investigators are working closely with Homicide detectives from the Queensland Police Service to piece together her movements on her final days.

Bremer was last sighted in Logan last Monday but her burnt body was found in the Tweed area days later. 

Police have located the vehicle of 34-year-old Sabrina Bremer at Woodridge. #9News pic.twitter.com/b9xs02Ma3J

— Nine News Gold Coast (@9NewsGoldCoast) August 23, 2016

Earlier:

Police are looking for a white car in which suspected murder victim Sabrina Bremer is believed to have been travelling on the day she was last seen alive in Queensland.

The white 2002 Toyota sedan, with a Queensland registration 282VGN, was seen in the Logan area last Monday night, according to NSW Police.

Police appeal to locate the vehicle Sabrina Bremer was last seen travelling in...https://t.co/mUJkElfdES pic.twitter.com/NVYGbdlzrf

— NSW Police (@nswpolice) August 22, 2016

Ms Bremer, 34, was captured on CCTV leaving Logan Central Police Station earlier that day.

Three days later her charred body was found by a dirt road at Dulgiugan, southwest of Tweed Heads, in far north NSW.

Police are urging anyone with information to come forward.

Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000

AAP