NEW YORK — A woman died early Tuesday after she was dumped at a Bronx hospital half naked — and doctors suspect she was the victim of a botched butt lift injection, police sources said Tuesday. Two mystery women are being sought after they drove 53-year-old Maxine Messam to Jacobi Medical Center in her own BMW SUV and then walked off, leaving the vehicle behind. “We don’t know what happened,” the victim’s shocked husband Carlos Simpson told the Daily News, speaking outside the family’s home in Bridgeport, Conn. “She was at work and she left work. So we don’t know what happened from there.” Pol…