Wiring Harness: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| A4S 310R (4-Speed) 318, 328 | ||||
| 318 I, Is, Ti, IC | 2.7 | 2.0 | B | |
| 328 I, IC, Is | 2.7 | 2.0 | B | |
| A5S 310Z (5-Speed) M3 | ||||
| Coupe | 4.6 | 2.5 | B | |
| Sedan | 4.1 | 2.8 | B | |
| A5S 390R (5-Speed) 323, 328 | ||||
| 328 I, IC, Is | 3.1 | 0.0 | B | |
| 323 IC, Is | 3.1 | 0.0 | B |