Equip your vehicle with the latest industry products Air filter K&N E-0667 33-2231 and don't miss out on anything The K&N air filter 33-2231 is an innovative solution designed specifically to increase the power and torque of your vehicle, thanks to its ability to provide 50% more airflow compared to conventional paper filters. This filter not only offers a significant improvement in engine response, but also provides excellent protection for the engine, ensuring its longevity. Its washable and reusable design makes it a durable product, with a lifespan of up to 50,000 miles (approximately 80,467 km) before requiring service, depending on driving conditions. Equipped with multiple layers of oiled cotton filtration media, the K&N filter ensures not only superior airflow but also effective filtration. Additionally, its installation is extremely simple, allowing users to replace their old paper filters in just minutes, thus enhancing vehicle efficiency without complications. With a limited million-mile warranty, owners can be confident that they have made an investment that translates into prolonged and reliable performance. This filter is ideal for cars, trucks, motorcycles, and ATVs, providing a precise fit to the vehicle's airbox. In summary, the K&N air filter 33-2231 represents a superior option for those looking to maximize their machinery's performance. Characteristics: WashableReusableEasy to set upRobust and durableUniversalType: Air filterMaterial: CottonCompatible Vehicle: Bmw 316ci 1.6l L4 F/IBmw 316i 1.6l L4 F/IBmw 316i 1.9l L4 F/IBmw 318ci 1.9l L4 F/IBmw 318i 1.9l L4 F/IBmw 318ti 1.9l L4 F/IBmw 320ci 2.0l L6 F/IBmw 320ci 2.2l L6 F/IBmw 320i 2.0l L6 F/IBmw 320i 2.2l L6 F/IBmw 323ci 2.5l L6 F/IBmw 323i 2.5l L6 F/IBmw 325ci 2.5l L6 F/IBmw 325i 2.5l L6 F/IBmw 325ti 2.5l L6 F/IBmw 325xi 2.5l L6 F/IBmw 328ci 2.8l L6 F/IBmw 328i 2.8l L6 F/IBmw 330ci 3.0l L6 F/IBmw 330i 3.0l L6 F/IBmw 330xi 3.0l L6 F/IBmw M3 3.2l L6 F/IBmw X3 2.5l L6 F/IBmw X3 3.0l L6 F/IRecommended use: Car