2025 BMW X3 coolant capacity
The 2025 BMW X3 holds about 4.2 to 10.8 quarts of coolant, depending on the engine - the full cooling-system capacity when cold.
Key takeaways
- The 2025 BMW X3 holds about 4.2 to 10.8 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Refill to the marked level, and use the coolant type your owner's manual specifies.
| Engine | Capacity | Liters |
|---|---|---|
| M40d | 10.8 qt | 10.2 L |
| M40i PF | 4.3 qt | 4.1 L |
| sDrive18d | 9.3 qt | 8.8 L |
| sDrive20i B48B16 | 4.2 qt | 4 L |
| xDrive20d (120 kW) | 9.5 qt | 9 L |
| xDrive25d (155 kW) | 9.9 qt | 9.4 L |
When refilling, add coolant to the marked level rather than forcing in the full figure. Source.