McLaren dominated the final practice session ahead of tomorrow's Chinese Grand Prix.
Lewis Hamilton, who will serve a five-place grid penalty for installing a new gearbox, followed up his impressive first session showing and was again fastest.
Teammate Jenson Button finished 0.123s behind the 27-year-old, while Mercedes's Nico Rosberg was 0.449s behind in third. Michael Schumacher was 0.572s off the pace in fourth.
Pedro de la Rosa was slowest, 5.5s back, although that time would see the veteran Spaniard qualify.
