Heidfeld says form impossible to predict

Nick Heidfeld says it is impossible to predict the form of his Renault team ahead of the start of the 2011 season.

Source: http://www.iracing.com/inracingnews/formula-one-news/f1-formula-one-news/heidfeld-says-form-impossible-to-predict/

Ken Kavanagh Rupert Keegan Eddie Keizan Al Keller Joe Kelly