Eleven years ago a woman was jailed for helping cover up a bloody murder by cleaning the crime scene.

Now, police fear Crystal Portelli has destroyed a car to hide her alleged involvement in the hit-run of a 40-year-old cyclist.

"This is the second known instance where the accused has actively engaged in conduct to cover up a crime resulting in death, having previously masterminded efforts to dispose of evidence of a murder," Senior Constable Stuart Dale told Melbourne Magistrates Court.

Portelli, 40, has been charged with four offences after it's alleged she fled the scene of a fatal crash.

A cyclist died after being hit by an Audi police allege Portelli was driving, at Coburg in Melbourne's north, on August 24.

Detectives have not located the Audi since the crash.

Portelli applied

See Full Page