![DINAN Cold Air Intake - BMW 330I 2019-2021 | D760-0055 DINAN Cold Air Intake - BMW 330I 2019-2021 | D760-0055](https://cdn11.bigcommerce.com/s-9u0pekimaz/images/stencil/500x659/products/225810/568392/D760-0055_1_grande__34461.1707797471.jpg?c=1)
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The Dinan Intake System dramatically out performs the factory intake and improves upon the stock closed box design with our own semi-open one. The Dinan Intake System is at least 58% less restrictive compared to the factory intake.. By allowing the engine to breathe, the intake system lowers the intake air temperature, and allows for performance gains upwards of 9 WHP on a completely stock vehicle.