FIA Appeal decision goes in favor of Brawn GP , McLaren and Williams teams . Michael Button has clear lead in the championship heading into Chinese GP . Rival team led by Williams claimed their rear wing had an unfair advantage .
FIA Appeal decision goes in favor of Brawn GP , Toyota and Williams teams . Jenson Button has clear lead in F1 championship heading into Chinese GP . Rival teams led by Ferrari claimed their rear diffusers gave an unfair advantage .