34 21 Rear Brake Discs E63
TECHNICAL DATA - REAR BRAKE DISCS E63
| Different thicknesses on brake linings | max. mm | 0.01 |
| Surface roughness of braking surfaces (precision-turned) | Ra μ | |
| Brake disc diameter Models: 630i |
mm | 320 |
| Nominal size (diameter x thickness) Models: 645Ci |
mm | 345 x 24 |
| Nominal size (diameter x thickness) M Series | mm | 370 x 24 |
| Wear warning from residual lining thickness | mm | 3.0 |
| Brake disk minimum thickness (MIN TH) stamped on brake disk body Models: 630i |
mm | 18.4 |
| Brake disk minimum thickness (MIN TH) stamped on brake disk body Models: 645Ci |
mm | 22.4 |
| Brake disk minimum thickness (MIN TH) stamped on brake disk body Model: M Series |
mm | 22.4 |
| Max. machining limit per friction ring side (M models must not be machined!) | mm | 0.8 |
| Wear warning from residual lining thickness | mm | 3.7 |