Tymoshenko, afiercerival of president Victor Yanukovych, is serving a seven-year jail sentence for abuse of office and faces another trial on tax evasion charges.
Wary that Musharraf could revive the corruption cases she fled, Bhutto also wants him to drop charges against her and scores of other politicians, including Nawaz Sharif, another former premier and fiercerival plotting a comeback.
Almost his only critic has been Dominique de Villepin, a former prime minister and fierce personal rival, who now plans to set up his own party on the right.