February 24, 2012

Kamui Kobayashi tackles the final corner

© Sutton Images

February 24, 2012

Kamui Kobayashi heads out on supersoft tyres

© Sutton Images

February 24, 2012

Kamui Kobayashi clips a kerb at the final chicane

© Getty Images

February 24, 2012

Kamui Kobayashi completes an installation lap on wet tyres

© Sutton Images

February 23, 2012

Kamui Kobayashi completes an installation lap

© Sutton Images

February 22, 2012

Sergio Perez leaves the Sauber pit box

© Sutton Images

February 22, 2012

Sergio Perez attacks the final sector

© Sutton Images

February 21, 2012

Sergio Perez talks to his engineer after Sauber discovered a problem with his car

© Sutton Images

February 10, 2012

Kamui Kobayashi exits the pit lane

© Press Association

February 10, 2012

Kamui Kobayashi gets down to work on the final day of testing at Jerez

© Sutton Images

February 10, 2012

The sun rises over the final day of testing at Jerez

© Sutton Images

February 9, 2012

Sergio Perez waits outside the Sauber garage

© Sutton Images

February 8, 2012

Sergio Perez exits the pit lane

© Press Association

February 8, 2012

Sergio Perez passes the few fans in the grandstands

© Sutton Images

February 7, 2012

Kamui Kobayashi watches on from the pit wall

© Sutton Images

February 7, 2012

Kamui Kobayashi returns to the pits

© Getty Images

February 7, 2012

Kamui Kobayashi puts some more miles on the C31

© Sutton Images

February 6, 2012

Monisha Kalternborn at the launch of the Sauber C31

© ESPNF1

February 6, 2012

The new Sauber C31 is unveiled at Jerez

© ESPNF1

February 6, 2012

Sauber's version of the stepped nose on the new C31

© Sauber