After his apparent KERS incident in the initial session, Kimi Raikkonen's Ferrari topped the timesheets as the three hours of Friday action concluded at Sepang.

After his apparent KERS incident in the initial session, Kimi Raikkonen's Ferrari topped the timesheets as the three hours of Friday action concluded at Sepang.

However, towards the end of the session, amid the backdrop of ominously grey Kuala Lumpur clouds, the Finn was told by radio to turn off his energy re-use system due to another problem.

His teammate Felipe Massa was second fastest, ahead of Red Bull's Sebastian Vettel, who nearly collected BMW's Nick Heidfeld at one point and apologetically waved to his countryman.

Nico Rosberg slipped to fourth after topping the first session, as both him and his Williams teammate Kazuki Nakajima shed wheel-fairing discs.

The Brawns were sixth and seventh fastest, and the McLarens ninth and eleventh, with Heikki Kovalainen recovering from his earlier problems and - as in Australia - setting the pace to his reigning world champion teammate Lewis Hamilton.

Ominously down the order was the ear infection-afflicted Fernando Alonso, and both BMWs -- Heidfeld was not only the slowest of the entire 90-minute session, but half a second from his nearest rival, Giancarlo Fisichella.

Fisichella returned to the pits by foot, having crashed his Force India in the high speed turn 10.

 

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