Complete battery specifications for your 2021 BMW M3.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| King Ranch | 3.5L V6 | 51R | 676 CCA | 108 min | Dual Terminal |
| Lariat | 3.5L V6 | 25 | 718 CCA | 124 min | Dual Terminal |
| Platinum | 3.5L V6 | 47 | 702 CCA | 117 min | Side Post |
| SE | 3.5L V6 | 47 | 606 CCA | 92 min | Dual Terminal |
| Sport | 5.7L V8 | 48 | 825 CCA | 140 min | Top Post |
| SE | 5.7L V8 | 47 | 802 CCA | 124 min | Dual Terminal |
| Platinum | 5.7L V8 | 48 | 701 CCA | 120 min | Side Post |
| Base | 2.5L I4 | 25 | 535 CCA | 85 min | Top Post |
| SE | 2.5L I4 | 25 | 547 CCA | 101 min | Top Post |