Description
Upgrade your BMW 118i, 120i, or 320i with the K&N Engineering High-Flow Replacement Air Filter, part number E-2021. Crafted with a state-of-the-art layered, oiled cotton media, this filter is engineered to improve airflow and enhance engine performance. Its design allows for increased horsepower and better throttle response, making it an ideal choice for drivers seeking optimal engine efficiency. The filter’s drop-in replacement design ensures an easy installation directly into your factory air box without the need for additional modifications. Built to last for the entire lifespan of your vehicle, this reusable air filter not only boosts your vehicle’s performance but also contributes to environmental sustainability by reducing waste associated with disposable filters. Backed by K&N’s 10-Year/Million Mile Limited Warranty, you can trust in the durability and quality of this product. Experience superior airflow, engine protection, and a straightforward upgrade with K&N’s most popular performance air filter. Designed to meet your automotive needs while adhering to safety standards, this filter is free from restrictions related to air freight and CARB compliance, ensuring hassle-free installation and use across various regions. Enhance your driving experience and enjoy the benefits of a high-performance, eco-friendly air filtration solution with the K&N E-2021 filter for BMW models from 2005.
Features:
- Layered, oiled cotton media engineered to improve airflow and capture contaminants
- Designed to increase horsepower and throttle response
- Drop-in replacement for easy installation into factory air box
- Reusable and durable, built to last for the vehicle’s lifespan
- Backed by K&N’s 10-Year/Million Mile Limited Warranty
- Reduces waste by eliminating the need for disposable filters


















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