Ferrari got straight down to work and completed some serious mileage with Felipe Massa behind the wheel.
Nico Hulkenberg made his first appearance for Sauber in the sleek new C32.
Webber took the RB9 to a full two-race distances on Tuesday and Wednesday.
Nico Rosberg managed just 15 laps in the F1W04 before an electrical fire brought him to a halt.
Jenson Button recovered from an early fuel pump failure to set a benchmark laptime on Tuesday.
Giedo Van Der Garde made steady progress in the striking new Caterham CT03.
Romain Grosjean finished day two seven-tenths quicker than Force India’s Paul Di Resta.
Max Chilton observes the damage to his MR02 after a suspension failure put him in the wall early on Tuesday morning.
Daniel Ricciardo discusses the performance of the Toro Rosso STR8 with his race engineer.
Luiz Razia took over the Marussia for Wednesday running only hours after being confirmed at the team for 2013.
Pastor Maldonado trialled 2013-style front wing elements on the 2012 Williams FW34 before problems brought a halt to his progress on Wednesday evening.
Lewis Hamilton prepares to take his F1W04 out on the circuit in the early morning sunlight…
…but was out of the picture just moments later after crashing into the Dry Sac tyre wall. Coming less than 24 hours after Nico Rosberg’s electrical maladies, the new car has completed less than 30 laps since its inception.
Daniel Ricciardo set an impressive laptime on Wednesday while still running on the harder Pirelli compound.
Caterham continued to run on Wednesday, despite complaints lodged by rivals such as Red Bull and Ferrari over the legality of the CT03’s Mclaren-style exhaust.
Nico Hulkenberg proved the Sauber is a solid, if yet unspectacular car.
Felipe Massa will remain in the F138 on Thursday before handing over to Pedro De La Rosa on Friday.
Lewis Hamilton returns to the pitlane after his accident.
His replacement at Mclaren, Sergio Perez, managed to end his day of running without damaging his new MP4-28.
Pastor Maldonado sits patiently in the pits waiting for his pit crew to complete their work.
Max Chilton will hope to make more progress in the second test.