Camshaft: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single Timing Chain | ||||
| M3 | ||||
| One | 8.8 | 6.6 | B | |
| Both | 10.7 | 8.3 | B | |
| Dual Timing Chain | ||||
| 325, 330 | ||||
| One | 7.3 | 5.1 | B | |
| Both | 8.0 | 5.5 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single Timing Chain | ||||
| M3 | ||||
| One | 8.8 | 6.6 | B | |
| Both | 10.7 | 8.3 | B | |
| Dual Timing Chain | ||||
| 325, 330 | ||||
| One | 7.3 | 5.1 | B | |
| Both | 8.0 | 5.5 | B |