Dinan Cold Air Intake – 2020-2025 BMW M340i/M440i (G20/G22/G23/G26) & M240i (G42)
Enhance your BMW M340i, M440i, or M240i with the Dinan Cold Air Intake, designed to deliver superior performance and sound. This intake system is engineered to provide a 58% increase in airflow compared to the stock system, resulting in improved throttle response and additional power gains of up to +9 WHP and +8 ft-lbs of torque.
Key Features
- Compatible with BMW M340i/M440i (G20/G22/G23/G26) 2020-2024 and M240i (G42) 2022-2025 models.
- Increased airflow for enhanced performance.
- Improved throttle response and power gains.
- Enhanced sound with audible turbo spool and BOV.
- Seamless integration with factory engine bay components.
- Economical PEX construction for a refined appearance.
Design and Performance
The Dinan Cold Air Intake features a reworked and enlarged lower box, housing a 40% larger custom filter for maximum airflow. The system includes a secondary inlet, optimised through extensive testing, to ensure no increase in turbo inlet temperatures while providing additional volume. This design allows for a semi-open intake that enhances both performance and sound.
Installation and Compatibility
This intake system is designed for easy installation, fitting seamlessly into the engine bay of compatible BMW models. It offers a perfect balance of form and function, making it an ideal upgrade for those seeking both performance and aesthetic improvements.
Note
Please check local regulations regarding vehicle emissions and modifications to ensure compliance in your area.



















