Cylinder Head Assembly: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single Timing Chain | ||||
| M3 | 30.6 | 22.4 | A | Includes: R&I Cylinder Head, Grind Or R&R Valves, Transfer All Necessary Components & Make All Adjustments. |
| Dual Timing Chain | ||||
| 325, 330 | ||||
| 2WD | ||||
| Convertible | 26.3 | 18.7 | A | Includes: R&I Cylinder Head, Grind Or Renew Valves, Transfer All Necessary Components & Make All Adjustments. |
| Coupe, Sedan, Wagon | 26.3 | 18.5 | A | Includes: R&I Cylinder Head, Grind Or Renew Valves, Transfer All Necessary Components & Make All Adjustments. |