I don't think the N62 engine at the bottom has changed much, if at all during the development from 4.4 at 286bhp to 335bhp (as that was done via change in the valve timing and lift with the variable cam) and then the 4.8 is also obviously a top-end change. In addition his website is not specific on any model of the Aero which either suggests the kit was made to fit a particular car and has not been tested on many others or that it fits all Aero - would be nice to have this stated though.
