 The rear @-@ wheel steering was dropped from the production car to save weight and reduce complexity , as was the height adjustable suspension and active aerodynamic technology . The suspension fitted to the production model consisted of front and rear independent suspension , double unequal length wishbones , inboard coil springs and anti @-@ roll bars , with <unk> gas @-@ filled dampers . The suspension was designed in accordance with the FIA Group C specifications . 
