Four or five "strong" leads are being followed-up by police investigating the attempted murder of a student.
Police said they received 35 calls about the attack on Kate Sheedy, 18, who was deliberately run over, after a BBC Crimewatch appeal.
Officers probing the murder of Amelie Delagrange, 22, in Twickenham, have taken the case on due to similarities between the victims and location.
Miss Sheedy suffered severe injuries in Isleworth, west London, last May.
Amelie was struck on the head with a heavy instrument while walking in south-west London, in August 2004.
"It may be that whoever was the passenger had nothing to do with what the driver did... we need that person to come and talk to us "
Her murder has been linked to that of Marsha McDonnell, 19, who was killed in February 2003 near her home in Hampton as well as four other attacks on women.
In each of the cases the victim was targeted from behind and had blonde or light brown shoulder-length hair.
A Scotland Yard spokesman said officers from Operation Yeaddiss, who are probing these attacks, have taken on the inquiry into the attempted murder of Kate Sheedy particularly because of the proximity of the attack locations and the victims being lone females.
He said: "It shows consistency of approach and makes it easy to share information."
Police have seized a white Toyota Previa people carrier, registration K855 EFL, which they say may be connected to the attack on Kate and are keen to learn about its ownership at that time.
CCTV footage of the vehicle which could have been involved has also been released.
Two people were thought to have been in it.
Det Ch Insp Colin Sutton, of Operation Yeaddiss, said: "It may be that whoever was the passenger had nothing to do with what the driver did - it may be that person has nothing to fear. We need that person to come and talk to us."
Kate got off a bus in Worton Road and as she crossed the road the car drove at and hit her. It then reversed over her before driving off.
She suffered life-threatening injuries but since has made a full recovery.
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