The Bertone Birusa is a design study based on the BMW Z8

BMW Z8

The BMW Z8 was a roadster car produced by German automaker BMW from 1999-2003. It was given the E52 BMW model code.The Z8 was the production variant of the 1997 Z07 concept car, which was designed by Henrik Fisker at BMW's DesignworksUSA in Southern California. The Z07 originally was designed as a...

. The Birusa had many new technological advances such as a glass sunroof that filters UV rays from the passengers of the car and a multilingual Voice control system

Voice command device

A voice command device is a device controlled by means of the human voice. By removing the need to use buttons, dials and switches, consumers can easily operate appliances with their hands full or while doing other tasks....

 that allows the driver to control many features. The Birusa features a 5.0-liter V8 with 400 bhp, and also has 11 Bose speakers.