Maya from release 8.5 to the 2011 and successive offers a collection of most iper realistic Architectural Material shaders. There is a new shader, he has infinite preset to create complex materials: wood, glass, concrete, gold, crome, alluminium, rubber, and mutch more. This new shader that streamline the creation of common architectural and design elements. One of most powerful is Maya’s multi-purpose architectural/design shader, mia_material. An overview is provided of the shader’s parameters, such as BRDF (Bidirectional reflectance distribution function) and its material presets (wood, ceramic, frosted glass, brushed metal, satinate metal, matte plastic, copper, glazed ceramic, rubber, leather, etc.) – including sample rendered images. Download shader made with mia material. This are the helpful shader of luGher3D.com
With this shader the aluminium parts of your bike, or cars are very realistic, it is awesome in render and not require sophisticated nodes. It work in maya 2009 or successive.
With this shader you can have in render the real glossy alluminium. it is perfect for obtain furniture's handles, piece of engines, cans, cellulars, etc. It work in maya 2009 or successive.
Car glass shader