Dimensional

Front
Wear warning from residual lining thickness 3.0 mm
Brake disc minimum thickness,(MINTH) is stamped in brake shell ventilated 20.4 mm
Brake disc minimum thickness,(MINTH) is stamped in brake shell 330 all ventilated 23.4 mm
Brake disc minimum thickness,(MINTH) is stamped in brake shell M3 ventilated 26.4 mm
Max. machining limit per friction ring side M models must not be machined 0.8 mm
Different thickness on brake linings 0.01 mm
Radial runout of brake lining (measured at largest of brake lining)
Disc installed 0.2 mm
Disc Removed 0.04 mm
Surface finish of braking surface (fine ground) 0.5..3.5 Ra u
Brake disc diameter 323i 286 mm
Brake disc diameter 300 mm
Brake disc diameter M3, 330 all 325 mm


Rear
Different thickness on brake linings 0.01 mm
Radial runout of brake lining (measured at largest of brake lining)
Disc installed 0.2 mm
Disc Removed 0.04 mm
Surface finish of braking surface (fine ground) 0.5..3.5 Ra u
Brake disc diameter 323i Solid: 276 mm
Brake disc diameter Ventilated: 294 mm
Brake disc diameter 330 all Ventilated: 320 mm
Brake disc diameter M3 Ventilated: 328 mm
Wear warning from residual lining thickness 3.0 mm
Brake disc minimum thickness (MINTH) is stamped in brake disc shell Solid: 8.4 mm Ventilated 17.4 mm
Brake disc minimum thickness (MINTH) is stamped in brake disc shell 330 all Ventilated 20.4 mm
Brake disc minimum thickness (MINTH) is stamped in brake disc shell M3 Ventilated 18.4 mm
Max. machining limit per friction ring side 0.8 mm