Chithra Vanmeeganathan was among a 12-year-old boy and another woman injured after the crash in Bessborough Road on February 24.
Officers, London Ambulance Service and London’s Air Ambulance attended, however, the 46-year-old died shortly after.
Her next of kin has been informed and is receiving support from officers.
The two other pedestrians were taken to hospital where their conditions were assessed as non-life threatening.
The driver of the car stopped at scene and he was arrested on suspicion of causing death by dangerous driving.
He has since been released on bail.
Detective Sergeant Paul Jackson, from the Roads and Transport Policing Command, said: “Our thoughts remain with Chithra’s family at this difficult time.
“The investigation into this tragic incident is ongoing, and we are continuing to appeal for anyone with footage of the incident, including from a doorbell camera or dashcam, or anyone who witnessed the collision to come forward.”
Officers are appealing for witnesses or anyone with footage of this incident, including drivers with dashcam footage, to contact police on 101 or ‘X’ @MetCC quoting CAD 7193/24Feb.
You can also provide information anonymously to the independent charity Crimestoppers on 0800 555 111.
