February 28, 2015

Marcus Ericsson on track in the Sauber

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February 26, 2015

Raffaele Marciello looks on in the Sauber garage

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February 26, 2015

Marcus Ericsson speaks to a mechanic in the Sauber garage

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February 26, 2015

Marcus Ericsson on track in the Sauber on Thursday morning

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February 26, 2015

Marcus Ericsson powers down the pit lane in the C34

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February 22, 2015

Felipe Nasr looks ahead to the apex in his Sauber

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February 22, 2015

Felipe Nasr's Sauber's is wheeled back to the garage after he stopped at the pit entry

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February 20, 2015

Marcus Ericsson rounds the apex in the Sauber

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February 19, 2015

The damaged cars of Felipe Nasr and Susie Wolff are driven back to the pits after colliding on Thursday

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February 19, 2015

Felipe Nasr surveys the scene after stopping his Sauber in the gravel

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February 19, 2015

Felipe Nasr drives through the pit lane in the Sauber

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February 19, 2015

Felipe Nasr studies his steering wheel in the cockpit of the Sauber C34

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February 19, 2015

Felipe Nasr on track in the Sauber

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February 4, 2015

Marcus Ericsson enters a corner in the Sauber

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February 3, 2015

Felipe Nasr on a soft tyre run in the Sauber

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February 2, 2015

Felipe Nasr on track in the Sauber

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February 2, 2015

Felipe Nasr snatches a brake in the Sauber C34

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February 2, 2015

Sauber rookie Felipe Nasr heads down the pit lane on Monday

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February 1, 2015

Marcus Ericsson behind the wheel of the 2015 Sauber

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February 1, 2015

Marcus Ericsson puts the C34 through its paces on Sunday morning

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