Knock Sensor: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 323, 325, 330 | 4.0 | 2.7 | B | |
| M3 | ||||
| Coupe, Convertible | 1.8 | 1.3 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 323, 325, 330 | 4.0 | 2.7 | B | |
| M3 | ||||
| Coupe, Convertible | 1.8 | 1.3 | B |