Sakhir, Bahrain - Lewis Hamilton led from Nick Heidfeld and Robert Kubica as McLaren-Mercedes and BMW Sauber got a much-needed boost on Friday in the first practice session for the Bahrain Formula One Grand Prix.
The world champion Hamilton posted 1 minute 33.647 points for the 5.451-kilometres lap on the Bahrain International Circuit in his McLaren.
Germany's Heidfeld and Kubica of Poland drove their BMWs to 1:33.907 and 1:33.938, seconds, respectively.