and its not just them :
Toyota is prepared to walk away from Formula 1 if the FIA pursues its controversial budget cap initiative from 2010 onwards, claiming that a two-tier system 'is not the right direction' for the sport to be taking, makes no 'common sense' and 'would make a huge number of people redundant'.
click:Crash.net Toyota vows to quit
Hot on the heels of warnings from both Ferrari and BMW – and a downright ultimatum from Toyota – about the possible fall-out from the implementation of the controversial new budget cap in Formula 1, Red Bull energy drinks magnate Dietrich Mateschitz has suggested that of the current grid, 'only two or three will remain'.
click:Crash.net RedBull cost cap would cost upto 8 F1 Teams
Following Ferrari's declaration that Formula 1 may not be 'a never-ending story' for the Scuderia, BMW has become the second major manufacturer to suggest that it could walk away from the sport in the event of a 'two-class' hierarchy being engendered within the top flight.
click:Crash.net BMW joins Ferrari in budget cap quit threat