Muffler: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 525i, 525xi, 530i, 530xi | 0.8 | 0.6 | C | |
| 545i, 550i | 0.8 | 0.6 | C | |
| M5 | ||||
| One | 0.9 | 0.7 | C | |
| Both | 1.5 | 1.2 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 525i, 525xi, 530i, 530xi | 0.8 | 0.6 | C | |
| 545i, 550i | 0.8 | 0.6 | C | |
| M5 | ||||
| One | 0.9 | 0.7 | C | |
| Both | 1.5 | 1.2 | C |