Jolyon Palmer is facing a race against time to be ready for qualifying.
Palmer cracked his chassis during final practice, meaning it was unable to be used for the rest of the weekend.
The Renault Sport F1 team have elected to build up their spare chassis just before qualifying, although with less than half an hour before qualifying begins, it is likely that the Brit will have to sit out.
Circuit de Catalunya - Winter testing
Bahrain International Circuit - Winter testing
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