The engineers from FAB DESIGN have developed a costly conversion that upgrades the performance of the V12 Biturbo to 720 PS and the torque to fabulous 1200 Newtonmeter. In the FAB DESIGN S60 BT performance kit only strengthen or new constructed parts are used, which in spite of high strain guarantee a long life duration, as they are usually in the (OEM) set. The mechanic and electronic of the gear unit belongs also to the extend of the upgraded performance package as well as the power of the adaptation of the brake system