FRANKFURT - Magna International ays it has ironed out the final details in its bid to buy General Motors's European Opel unit.

The company says "the open questions have been closed" in negotiations between GM and Magna management, and the contract will now to go GM's board.

The board will then have to decide between it and the offer from Brussels-based investor RHJ International SA.

The Magna bid -- from a consortium of Magna International Inc. and Russian lender Sberbank -- is the one preferred by the German government but the final decision lies with GM.

Magna says it is not clear when GM would make its decision.