Bulgarian state-owned railway company BDZ Passengers said that it has signed a 30.6 million levs ($18 million/15.6 million euro) contract with local Kolowag for repair of passenger railcars. The deal was signed on September 3, according to a notice, published by BDZ Passengers on Monday. Three companies submitted offers in the public procurement procedure.BDZ Passenger Services is a unit of BDZ Holding company.(1 euro = 1.95583 levs)