Heidfeld already developing R31

Nick Heidfeld says he was already able to work on developing Renault's R31 before the end of his evaluation test with the team at Jerez. The grand prix veteran drove the car for the first time on Saturday, as the team assessed his potential to fill in for the injured Robert Kubica

Source: http://www.iracing.com/inracingnews/formula-one-news/f1-formula-one-news/heidfeld-already-developing-r31/

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