According to the College Football Data Warehouse, the Louisiana State University Tigers football team has won 22 bowl games in its history.
LSU has won 2 bsc national championships
If you're meaning the current BCS system (post 1997) it's a tie between Florida and LSU, both at 2 wins.Florida and LSU have both won 2 BCS National Championship Games
Florida and LSU have each won two BCS championships. No one else has won more than one.
LSU Tigers
LSU
75
09 Alabama 08 Florida 07 LSU 06 FLorida 05 Texas 04 USC
LSU has the most BCS National championship wins in 1963,1968,1970,1973,1974,1989,1990,1991,1997,2003, and 2007 totaling 11 BCS titles won the most in NCAA history.The team with the second most wins are the Florida gators with 6 BCS titles 1911,1976,1996,1995,2006, and 2009.
Ohio State has appeared in 9 BCS Games, but has only won 6 of them.
Nick Saban has won three (at LSU 2003 and at Alabama 2009 and 2011} Urban Meyer has won two.
Unless I am mistaken, there is only one: Nick Saban, who won the BCS Championship at LSU (2004) and at Alabama (2009).
No, the BCS is decided by a single game, the winner is the champion. However, there has been a shared National Championship since the BCS began. LSU won the BCS national title game in 2003, but the AP granted the National Championship to USC.