2025 Bmw M340i Mpg. Detailed specs and features for the 2025 bmw 3 series m340i including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Fuel economy of 2025 bmw vehicles.
Edmunds also has bmw 3 series m340i xdrive pricing,. We suspect that most owners will get mileage into the mid.