(Williams Martini Racing Team)
Williams Martini Racing have confirmed that Valtteri Bottas will debut their 2015 car, the FW37.
Valtteri Bottas, who finished the 2014 Formula One championship in 4th place will drive the new car on the opening two days of the Jerez test which gets underway on Sunday. The Finn will also drive the car on Monday the second February.
Felipe Massa will take over running the car on Tuesday and Wednesday week. The Grove based outfit had a fantastic 2014 campaign which saw them claim nine podium finishes and a front row lock out at the Austrian Grand Prix finishing the year in third place in the Constructors championship.
This year the team are hoping to improve on their performance from last season. The outfit have a new test and reserve driver as Susie Wolff has been promoted to the role after being test and development driver after Felipe Nasr has joined the Sauber F1 Team as a race driver.
Wolff will have an expanded role with the team and will drive in more than two Free Practice sessions this season. The Scottish driver will drive the FW37 at the second test in Barcelona from February 19-22.