The official BCS website discusses the payouts for the 2008-2009 BCS bowls.
* Each BCS conference is guaranteed approximately $18.3 million, plus an additional $4.5 million should a second conference team be selected. Although each conference has its own arrangement for the distribution of these funds, the average income per school in each conference is as follows (One team selected/Two teams selected):
o Atlantic Coast (12 teams): $1.525M / $1.900M
o Big East (8 teams): $2.288M / $2.850M
o Big Ten (11 teams): $1.664M / $2.073M
o Big 12 (12 teams): $1.525M / $1.900M
o Pacific 10 (10 teams): $1.830M / $2.280M
o Southeastern (12 teams): $1.525M / $1.900M
* Notre Dame is guaranteed 1/66th of net revenues, or approximately $1.3 million. If selected to play in a BCS bowl, Notre Dame will receive $4.5 million.