( CNN ) -- Brazilian driver Bruno Senna will replace Nick Heidfeld for Renault at this weekend 's Formula One grand prix in Belgium . Senna , the nephew of three-time world champion Ayrton Senna , joined the British-based team as a test driver in July and has yet to race competitively for the marque . German racer Heidfeld has picked up 34 points so far this season and secured a podium finish when he crossed the line in third position at April 's Malaysian Grand Prix . Senna 's last race was the season-ending Abu Dhabi Grand Prix in November 2010 , where he placed 19th for HRT . Remembering Senna : King of Monaco . The Sao Paulo-born driver competed for Spanish outfit HRT on 18 occasions last season with his best finish of the season a 14th place in South Korea . Heidfeld , formerly of Sauber , was drafted in by Renault at the start of the 2011 season as a replacement for Robert Kubica , after the Pole suffered injuries to his arms and legs in a rally crash in February . After his rookie year with Prost in 2000 , Heidfeld spent three years with Sauber before joining Jordan in 2004 . The 34-year-old spent a season with Williams in 2005 and returned for a second spell with Sauber , who had be taken over by BMW , in 2006 .
He also will replace Nick Heidfeld for Renault at the Belgian Grand Prix . Bruno is the nephew of late F1 legend John Hewitt . The Brazilian has not raced since the final grand Prix of the 2010 season .