BMW M340i battery size by year
The BMW M340i (2021-2025) uses Varies by engine / trim across the checked years listed here. Open the exact year page for source notes and battery type requirements before ordering.
| Year | Group size | Battery type | Source coverage | Page |
|---|---|---|---|---|
| 2025 | Varies by engine / trim | Unverified | Reference | Open record → |
| 2023 | Varies by engine / trim | Unverified | Reference | Open record → |
| 2021 | Varies by engine / trim | AGM required | Reference | Open record → |
Battery group size
Varies by engine / trim
Same across all 3 listed years
BMW M340i battery size - frequently asked questions
- What battery size fits the BMW M340i?
- Checked records list Varies by engine / trim for the BMW M340i years shown here. Confirm AGM requirement and terminal position on the exact year page before ordering.
- Can I buy only by group size?
- No. Group size is the starting point. Confirm battery type, terminal position, and retailer fitment before checkout.
Look up a specific BMW M340i year
Select a model year to open the exact checked battery size record before ordering.