In an era during which Formula 1 is endeavouring to dramatically reduce its escalating expenditure, one of the top flight's leading team chiefs - BMW Motorsport Director Mario Theissen - has suggested that the necessary re-design of its diffuser following the FIA Court of Appeal's verdict will 'take time and a lot of money'.

Earlier this week, the governing body definitively rejected an appeal lodged by a number of teams - BMW-Sauber amongst them - against the controversial diffusers on the pace-setting Brawn GP, Toyota and Williams machines, thereby bringing to an end at last a saga that has dogged the start to the 2009 campaign and had cast doubt upon the results of the Australian and Malaysian Grands Prix, both won by Brawn GP's Jenson Button.

With the unique designs having been declared legal, it is now up to rival teams to follow suit and come up with their own innovations - but there is fear that not only will they now be playing a desperate game of catch-up for the remainder of the year, but that they will also have to spend a considerable sum of money in order to do so, particularly in the light of the new ban on in-season testing.

"We are not happy with the decision," stated Theissen. "We cannot be happy with the decision, but we will definitely accept it and now we have to work and find a solution ourselves. It will take time [and] it will take a lot of money. You cannot simply put it on the car. We have started development, but so far we don't have a result.

"If you have to change your car in the middle of the season and apparently you have to change the aero concept, you have to test it. Without this opportunity it will make it that much more difficult."

Those sentiments were echoed by former double F1 World Champion Fernando Alonso, whose Renault team has made a sluggish start to proceedings in 2009 - and is now liable to languish down the order for somewhat longer.

"It's not just putting one magic part on the car and you go quick," the Spaniard stressed. "The philosophy of the car has to change a little, [but] we will fight until the last opportunity.

"Of course yesterday's decision will make it more difficult because we have a big gap to make up and this is never easy, but the championship is long, [so] you never know. We need to finish races, we need to score points and slowly develop the car and hopefully be one of the quickest at the end of the season."


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