Brake lining dust , sand, dirt or salt, which gets on the wheels , can stick to your discs and damage the aluminum.
For as long as you keep the original disc glow , it is recommended to clean them about 2 to 4 times a month (depending on the frequency of use of the car ) . Without regular maintenance of your discs may be permanently damaged. Like all metals , they are also subject to the adverse effects of rust .
Time: up to 1 hour