BMW i3S 94 Ah battery degradation
Introduced in 2019 · estimated battery health & remaining range over the years
- Battery 27.2 kWh
- Consumption (real-world) 16.1 kWh/100km
- Fast charging up to 49 kW
Battery health by age
For a typical driver: 15,000 km (9,321 mi) per year, mild climate, charging to 90% and rarely fast charging.
| Age | Mileage | Battery health | Range left |
|---|---|---|---|
| 1 year | 15,000 km (9,321 mi) | 95.0% | 161 km (100 mi) |
| 2 years | 30,000 km (18,641 mi) | 93.0% | 157 km (98 mi) |
| 3 years | 45,000 km (27,962 mi) | 91.4% | 154 km (96 mi) |
| 5 years | 75,000 km (46,603 mi) | 88.9% | 150 km (93 mi) |
| 8 years | 120,000 km (74,565 mi) | 85.9% | 145 km (90 mi) |
| 10 years | 150,000 km (93,206 mi) | 84.3% | 142 km (88 mi) |
| 15 years | 225,000 km (139,809 mi) | 80.8% | 136 km (85 mi) |
- 90% battery health after ~4 years (61,000 km)
- 80% battery health after ~16 years (243,000 km)
- 70% (where most battery warranties apply) after ~36 years (547,000 km)
Range over the years
These are estimates from a model that combines wear from charging cycles with calendar aging, calibrated on published fleet data. Your own car's battery health depends on how and where it's driven and charged: enter your mileage, age and habits for a personal estimate.