BMW 1 series, F40 (EU)
Automatic transmission fluid capacity & service interval
BMW 1 series, F40 (EU) uses automatic transmission fluid with a capacity of 4,5 liters. The data covers 4 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| 118i (100 kW) (2021-2024) |
|
| 116i (80 kW) (2020-2024) |
|
| 120i (131 kW) (2020-2024) |
|
| 118i (103 kW) (2019-2021) |
|
Additional Notes
- The BMW 1 Series F40 (EU) automatic transmission fluid capacity is 4.5 liters across all four listed configurations, covering the 116i (80 kW), 118i (100 kW), 118i (103 kW), and 120i (131 kW) variants.
- A 4.5-liter figure represents a service fill capacity, meaning the volume used during a routine fluid change rather than a full overhaul or dry fill, which would typically be higher.
- All four configurations share a transaxle, semi-automatic transmission layout, where the gearbox and drive axle are housed in a combined unit, a common arrangement in front-wheel-drive platforms.
- All listed capacity values apply under normal use conditions, meaning the 4.5-liter service fill is not adjusted for severe driving cycles in the specifications provided.
- The 118i appears in two distinct power outputs within the F40 generation: 103 kW covering 2019-2021 and 100 kW covering 2021-2024, both sharing the same 4.5-liter transmission fluid capacity despite the difference in rated output.
- The 116i (80 kW) specification begins with the 2020 model year, while the 118i (103 kW) traces back to 2019, making the latter the earliest-listed configuration in the F40 automatic transmission data.
- The 120i (131 kW) carries the highest power output among the listed variants at 131 kW, yet the transmission fluid capacity remains at 4.5 liters, consistent with the lower-output configurations.