Stereo every time... you will get far more enjoyment out of that than the brakes.
F31 330d M Sport (Alpine White / Red)
Packages - Parking, Security, Safety, Visibility, Pro Nav, M brakes, Adaptive S, Sport steering, Comfort Access, Sun glass, Mirrors, Heated seats, Surround-view, HUD, HK sound, Speed display. Mods - 405 wheels, M performance aerodynamics. M perf brakes red.
My toy - E92 M3 - (M.White + red)