Valve Guide Seal: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 545i, 550i | ||||
| All Cylinders | ||||
| Right Bank | 22.6 | 16.1 | B | Includes: R&I Cylinder Head. |
| Left Bank | 22.0 | 15.7 | B | Includes: R&I Cylinder Head. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 545i, 550i | ||||
| All Cylinders | ||||
| Right Bank | 22.6 | 16.1 | B | Includes: R&I Cylinder Head. |
| Left Bank | 22.0 | 15.7 | B | Includes: R&I Cylinder Head. |