Dinan High Performance Heat Exchanger for BMW 230i/M240i (F22/F23) & 330i/340i/430i/440i (F30/F31/F32/F33/F34/F36) 2016-2021
Enhance your BMW’s performance with the Dinan High Performance Heat Exchanger, specifically designed for the 2016-2021 BMW 230i/M240i (F22/F23) and 330i/340i/430i/440i (F30/F31/F32/F33/F34/F36) models. As an authorised dealer of Dinan products, we offer this superior heat exchanger to meet the demands of automotive enthusiasts seeking to push their vehicles to the limits.
Key Features
- Robust Core Design: The Dinan heat exchanger features a 48mm thick core, significantly thicker than the OEM’s 27mm, providing 78% more heat transfer surface area.
- Enhanced Cooling Capacity: With a unique “L” shaped end tank design, the heat exchanger improves thermal mass, allowing for better heat absorption, storage, and release.
- Improved Performance: Experience up to a 15°C reduction in intake air temperature (IAT) compared to stock, ensuring your vehicle maintains maximum performance without overheating.
- Optimised for Modified Builds: Ideal for modified BMWs, this heat exchanger prevents ECU fail-safes from reducing power due to high temperatures.
Vehicle Fitment
- BMW 230i/M240i: F22/F23 (2017-2021)
- BMW 330i/340i/430i/440i: F30/F31/F32/F33/F34/F36 (2016-2020)
Important Note
Please ensure to verify vehicle emissions compliance in your local country or territory.
Upgrade your BMW with the Dinan High Performance Heat Exchanger and enjoy extended performance and reliability on the road or track.
Installation Notes
Due to the enlarged core and unique “L” shaped endtanks minor modification to the plastic core stack shroud may be required with some factory configurations ( particularly those with the optional OEM hot climate heat exchanger). Consult the installation PDF for full documentation on what exactly that entails.






