The Wanderers and Ream have been battling for a number of days to make sure 'red tape' didn't get in the way of his 2.5 million pound transfer. Ream will provide extra cover in the centre of defence now that Gary Cahill has moved to Chelsea.
Another MLS player, Seb Le Toux, has flown back to his club in America after a brief trial with Wanderers. It remains unclear whether the striker is still in contention for a move to Bolton.
Discuss Tim Ream's move here!