G20 330I B46 Heat Exchanger

In this video, I show you how to replace the OEM heat exchanger on a 2021 BMW 330i (G20) with an upgraded performance heat exchanger. Follow along as I walk you through the complete installation process, from removing the factory unit to installing and setting up the upgraded heat exchanger. If you found this video helpful, make sure to like, comment, and subscribe for more BMW DIY repairs, maintenance, and performance upgrades!