With Alex Wurz joining the action the second Friday practice at Sepang would get underway. He would be joined by Nico for their installation lap. The first time of the session would be set by Sato, 1m:40.236, followed by team-mate Davidson. Alex would pit. Heidfeld ha d taken over from Vettel. Trulli would move to the top of the times with a 1m:38.447 followed by Webber and Liuzzi. The Renault's of Kovalainen and Fisichella were in fourth and fifth. Nico was down in sixth but would improve to be fourth, 1m:38.626. Hamilton would go fastest with a 1m:37.323, as both Ferrari's took to the track.

Alonso would move ahead of his team-mate with a 1m:37.053. Button was now in third, 1m:38.185. This time was a big improvement over his morning times. Every driver ad taken to the track for complete their installation lap. Alex was still in his pit as Raikkonen moved into third, 1m:38.014. Nico would return to his pit. Alonso would pit as Alex took to the track for his first timed laps of the day. Kubica would take to the track and would move to the top of the times with a 1m:36.717. Alex's first lap would see him down in tenth but he would improve to ninth with a time of 1m:38.841. With fifteen minutes of the session complete their were just six drivers on the circuit, one been Alex.

Fisichella would move up the order to be fifth, 1m:37.643. This was an improvement of seven positions. Kovalainen would push his tem-mate down one place when he moved into fourth, 1m:37.385. Massa would come out while Raikkonen pitted. Both Williams cars were out on the circuit with Nico returning. Heidfeld was in seventh. Massa would take this spot with a time of 1m:37.783. This was considerably slower than his morning time. Hamilton was back out as Alex pitted. Nico and Alex were in thirteenth and fourteenth. Coulthard had yet to set a time. Slowest was Barrichello, 1m:40.715. Webber was now second with a 1m:36.906. Alonso was also back on the circuit.

Raikkonen was also out joining Massa. Coulthard was able to set a time that would see him ninth, 1m:38.090. Fisichella was now second, 1m:36.827. Nico would pit with an hour remaining. Raikkonen would lift his pace and moved ahead of Kubica and into first, 1m:36.669. With the times been considerably slower than the earlier session times it would indicate that most drivers were running on heavier fuel loads. Alex was back out on the circuit. Alonso and Hamilton were sixth and seventh. Showing that his morning session time was not a one off Massa would return to the top of the times with a 1m:35.780, to be 0.889 ahead of team-mate Raikkonen. Alex would pit while Nico returned to the track. Nico was fourteenth and Alex seventeenth.

Nico would improve his earlier times considerably moving into second with a 1m:36.523. Nico would pit. With forty five minutes remaining the order was Massa followed by Nico, Raikkonen, Kubica, Fisichella, Webber, Kovalainen, Alonso, Hamilton, and Coulthard. Honda's Rubens Barrichello was having a difficult time but would improve to now be in seventeenth. Alex was back out and would set a personal best time of 1m:37.014 to move into ninth. Hamilton was now in fifth, improving five places. Alonso was down in tenth but he was back out looking to improve. Alex would improve again to be right behind his team-mate with a 1m:36.621. So we had the Williams cars in second and third. Alex would pit.

With just over half an hour left in the session Nico was putting in longer runs. Raikkonen was back out and looking to improve. He would do just that moving into second with a 1m:36.160. Nico had pitted as he and Alex were now in third and fourth. Alex would return a few minutes later and without improving return to his pit. Nico was back out as drivers continued with their longer runs. Heidfeld would improve to now be in eighth, 1m:36.862. Team-mate Kubica was in fifth. With fifteen minutes left the order was Massa, Raikkonen, Nico, Alex, Kubica, Hamilton, Fisichella, Heidfeld, Webber, and in tenth Kovalainen. With Albers having a puncture and been forced to stop on the start-finish straight the session would be red flagged. Everyone would pit with just over ten minutes left in the session.

The session would be stopped for six minutes and on its restart the Renault's of Fisichella and Kovalainen would move into second and third. Both Alex and Nico were back out on the circuit as the session came to a close. Neither driver was able to improve. With the end of the session the order was Massa followed by Fisichella, Kovalainen, Raikkonen, Nico, Alex, Kubica, Schumacher, Hamilton, and Heidfeld. Webber was in eleventh followed by Alonso in twelfth. Nico was just 0.7 and Alex 0.8 behind Massa, which was an encouraging result for the
Williams team after their struggle to set quick lap times in the last Grand Prix in Australia.

Pos Driver       Team                   Time    Laps
 1.  Massa         Ferrari              (B)  1:35.780 34
 2.  Fisichella    Renault              (B)  1:35.910 36
 3.  Kovalainen    Renault              (B)  1:36.106 37
 4.  Raikkonen     Ferrari              (B)  1:36.160 33
 5.  Rosberg       AT&T Williams-Toyota (B)  1:36.523 31
 6.  Wurz          AT&T Williams-Toyota (B)  1:36.621 21
 7.  Kubica        BMW Sauber           (B)  1:36.717 18
 8.  R.Schumacher  Toyota               (B)  1:36.760 28
 9.  Hamilton      McLaren-Mercedes     (B)  1:36.797 30
10.  Heidfeld      BMW Sauber           (B)  1:36.862 25
11.  Webber        Red Bull-Renault     (B)  1:36.906 18
12.  Alonso        McLaren-Mercedes     (B)  1:37.041 26
13.  Coulthard     Red Bull-Renault     (B)  1:37.203 25
14.  Sato          Super Aguri-Honda    (B)  1:37.282 30
15.  Button        Honda                (B)  1:37.578 29
16.  Trulli        Toyota               (B)  1:37.712 34
17.  Liuzzi        Toro Rosso-Ferrari   (B)  1:37.855 26
18.  Davidson      Super Aguri-Honda    (B)  1:38.334 27
19.  Sutil         Spyker-Ferrari       (B)  1:38.419 28
20.  Speed         Toro Rosso-Ferrari   (B)  1:38.650 20
21.  Barrichello   Honda                (B)  1:38.713 20
22.  Albers        Spyker-Ferrari       (B)  1:39.807 23