Zamarod Arif said she was fully conscious as the car somersaulted on to railway tracks after careering off the road next to Park Royal railway station at up to 100mph in the early hours of Monday morning.
Rida Al Mousawi, 24, remains critically ill at St Mary s Hospital in Paddington but his family insist he doesn t drink or take drugs and that a malfunction could have caused the crash.
EXCLUSIVE: Yagmur Ozden, 33, was a passenger in the 4x4 when it crashed through a fence and into a parked Tesla before landing on the tracks at Park Royal Underground station.
Inside the vehicle was a woman, 33 who died at the scene, the male driver, 23, who is in critical condition in hospital, and another female passenger, 26, who was treated for non-life threatening injuries.
Iraqi-born jewellery store manager Rida Al Mousawi had had only recently bought the super-charged 4x4 when it careered off the road at up to 120mph, smashed onto rail tracks at Park Royal tube station.