Ferrari could have gone faster
The Englishman told ITV Sport presenter Steve Rider "We had two options to go for the last session where we have to use race fuel levels and believe it or not we actually went for the conservative choice," revealed Brawn.
"We had a more aggressive choice which I'm now glad we didn't do because it wouldn't have been quite as strong in the race, so I'm very interested to see how things work out."
Ferrari of course also benefited from extensive off-season testing in Bahrain while others chose to not make the long trek to the desert track.