warranted a grid penalty. Klien also fared well, driving the second RB2 to 11th position. At the Klien retired along with eight other cars including Toro Rosso driver Scott Speed on the first lap after a series of first corner incidents. Coulthard finished 7th. The team finished 7th in the FIA Constructors' Championship, with 16 points, five points ahead of the struggling Williams team. Coulthard (14 pts) finished in 13th place in the drivers' standings, the departed Klien (2 pts) was classified in 18th position. Klien's replacement, Robert Doornbos, failed to score any points. Renault engines (2007–2015) Customer era (2007–2010) 2007 season saw the debut of the Adrian Newey designed RB3. After lengthy discussions over Red Bull Racing's obligation to continue to use Ferrari engines for 2007, the team announced on 31 August 2006 they would use customer Renault engines for the 2007 season, the Ferrari contract being passed to Scuderia Toro Rosso. The team announced on 7 August 2006 that it had signed Mark Webber to drive alongside Coulthard for the 2007 season, replacing Christian Klien who ended his association with the team. Klien was replaced by Robert Doornbos for the last three races of 2006. Doornbos became the team's non-racing third driver for 2007. In 2007 Red Bull officially became an Austrian constructor by receiving an Austrian licence, though continued to operate from the same base in Britain. Despite qualifying in 7th place for his home race in Melbourne, Mark Webber finished down in 13th due to a persistent problem with a fuel flap that closed as the pit mechanics went to put the fuel in and when it was opened it remained open until the next pit stop greatly increasing drag and decreasing airflow over the rear wing. It was worse for Coulthard however, who crashed heavily with Williams's Alexander Wurz in the late stages of the race. Malaysia was more of the same for Webber, while Coulthard retired with brake problems. However, in Bahrain the team showed improving pace, and Coulthard and Webber were running 7th (with Coulthard starting from the back) and 8th respectively before reliability problems put both out of the race in quick succession. However, in testing at Barcelona Coulthard has set the fastest lap in the new configuration of the circuit (since superseded by Felipe Massa). Coulthard secured the team's first points by scoring a gritty 5th with a faulty gearbox on