Camshaft: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Dual Timing Chain | ||||
| 323 | ||||
| One Cylinder | 5.2 | 3.7 | B | |
| All Cylinders | 5.9 | 4.1 | B | |
| 328 | ||||
| One Cylinder | 6.1 | 3.1 | B | |
| All Cylinders | 6.7 | 3.5 | B | |
| M3 | ||||
| One Cylinder | 5.2 | 3.7 | B | |
| All Cylinders | 5.9 | 4.1 | B |