Edited sentence: He becomes Bolton boss Owen Coyle's first full signing of the summer at the Reebok Stadium, with the former Burnley managed expected to make more additions in the coming months.He joins Bolton on 1st July under the Bosman ruling and he had also been linked with a move to Aston Villa.Overall he made 66 appearances for City, scoring 12 goals, some of which were outstanding strikes with his powerful left foot and he has also won 77 caps for his country.Petrov initially enjoyed a successful stint in then-manager Sven Goran Eriksson's City team, however once the Swede departed and the big-money takeover by the Abu Dhabi United Group took place, the midfielder saw his chances become more limited by new players and a succession of injuries.Petrov's signing will be seen as something of a coup for the Trotters in capturing a player with proven ability and who impressed in his early days in the Premier League after joining from Atletico Madrid.The 31-year-old was released from City this summer after his contract at Eastlands expired, with manager Roberto Mancini deciding not to renew terms