Differential Mount: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Rear Axle | ||||
| Mounting Bushing | ||||
| 525i, 525xi, 530i, 530xi | ||||
| Front | 4.2 | 3.1 | B | |
| Rear | 3.6 | 2.9 | B | |
| Both | 4.8 | 3.5 | B | |
| 545i, 550i, M5 | ||||
| Front | 4.2 | 3.3 | B | |
| Rear | 4.2 | 3.2 | B | |
| Both | 4.8 | 3.8 | B |