Need a solution to your old and cracked rubber intake boots? Look no further than the Mishimoto 2-piece silicone E46 intake boot kit for your BMW 330i. These intake boots are made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your stock rubber E46 intake boot. Available in black, blue or red, Mishimoto silicone E46 intake boot kit retains stock fitment while providing increased pressure tolerance for the ultimate upgrade in performance and style. Mishimoto designed this kit as a 2-piece system that allows for an easy installation, while maintaining the original positioning of the stock airbox and mass airflow sensor.