Here are some photos, this is our EVO 12 callipers for the front, it uses 4 pads which are around same size as typical AP racing 4-pot pad.
it weights actually about 400g less than the factory calliper.
The complete system of as seen below (The car itself is LS460)
Front Evo 12
Rear
And here are some actual photos of the system on the car and colors.
this is size comparison, the red system on the E60 is with 388mm (aprox. 15.3in) rotors. The Porsche Cayenne below uses 410mm (aprx. 16.2in) rotors and the wheel is 22" for comparison.