DFC Brake Master Cylinder. Brake Master Cylinder. This part generally fits BMW vehicles and includes models such as 1600,1600-2,1602,2002 with the trims of Base Coupe 2-Door,Base S edan 2-Door,Base,Cabriolet Convertible 2-Door,Cabriolet,Touring,Turbo Sedan 2-Door,Turbo.