34 21 Rear Wheel Brakes: DiscsE38
REAR WHEEL BRAKES: DISCSE38 TECHNICAL SPECIFICATION
| Different thicknesses on brake linings | max. mm | 0.01 |
| Radial runout of brake lining (measured at largest phi of brake lining) | ..... | ..... |
| Disc installed | max. mm | 0.2 |
| Disc removed | max. mm | 0.04 |
| Surface roughness of braking surfaces (precision-turned) | Ra mu | 0.5 ... 3.5 |
| Brake disc diameter | mm | 725tds,728i/iL,730d,730i/iL,735i/iL,740i/iL: 324; 740d,750i/iL: 328 |
REAR WHEEL BRAKES: DISCS E38 TECHNICAL SPECIFICATION
| Wear warning from residual lining thickness | mm | 3.0 |
| Brake disc minimum thickness (MIN TH) is stamped in brake disc shell | mm | 725tds,728i/iL,730i/iL,730d,730i, iL,735i/iL,740i/iL: 10.4 740d,750i/iL: 18.4 |
| Max. machining limit per friction ring side (M models must not be machined) |
mm | 0.8 |