Cylinder Head Assembly: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 545i, 550i | ||||
| Right Bank | 19.1 | 13.4 | B | |
| Left Bank | 18.6 | 13.0 | B | |
| Both Banks | 28.2 | 19.9 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 545i, 550i | ||||
| Right Bank | 19.1 | 13.4 | B | |
| Left Bank | 18.6 | 13.0 | B | |
| Both Banks | 28.2 | 19.9 | B |