Battery Cable: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Battery Isolation | 0.5 | 0.0 | B | |
| Negative Cable | ||||
| 318I, Is, IC, 323is, iC, Ci | 0.6 | 0.4 | B | |
| 318ti | 0.5 | 0.3 | B | |
| 328, M3 | 0.4 | 0.3 | B | |
| Positive Cable | ||||
| 318IS, 323is, Ci | 4.0 | 3.2 | B | |
| 328i | 4.0 | 3.4 | B | |
| 323IC, 328iC | 4.0 | 3.1 | B | |
| 328IS, Ci | 4.0 | 3.2 | B | |
| M3 | ||||
| Convertible | 4.0 | 3.1 | B | |
| Coupe | 4.1 | 3.2 | B | |
| Battery Isolation Cable | 0.5 | 0.0 | B |