Complete battery specifications for your 2026 BMW X3.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XLT | 3.5L V6 | 24F | 656 CCA | 103 min | Dual Terminal |
| King Ranch | 3.5L V6 | 51R | 632 CCA | 99 min | Top Post |
| Premium | 3.5L V6 | 51 | 611 CCA | 108 min | Dual Terminal |
| Sport | 3.5L V6 | 51 | 653 CCA | 103 min | Side Post |
| SEL | 3.5L V6 | 25 | 715 CCA | 127 min | Side Post |
| SE | 3.0L V6 | 24 | 617 CCA | 102 min | Top Post |
| Limited | 3.0L V6 | 25 | 604 CCA | 104 min | Side Post |
| SEL | 3.0L V6 | 47 | 707 CCA | 125 min | Dual Terminal |
| Base | 3.0L V6 | 24F | 665 CCA | 114 min | Top Post |
| SE | 3.6L V6 | 24F | 671 CCA | 111 min | Side Post |
| Lariat | 3.6L V6 | 48 | 631 CCA | 112 min | Dual Terminal |
| XL | 3.6L V6 | 48 | 674 CCA | 103 min | Side Post |
| SEL | 3.6L V6 | 24 | 749 CCA | 116 min | Dual Terminal |
| King Ranch | Electric | H6 | 427 CCA | 82 min | Side Post |
| Premium | Electric | H6 | 534 CCA | 92 min | Side Post |
| XLT | Electric | H7 | 509 CCA | 89 min | Side Post |
| Platinum | Electric | H7 | 409 CCA | 69 min | Dual Terminal |