K&N Drop In Air Filter - High-Flow for 06-09 BMW 135/335/535 L6-3.0L F/I 33-2367

K&N replacement air filters are designed to enhance horsepower and acceleration while maintaining superior filtration. With over 1,200 different models available, we cater to a vast majority of vehicles. These reusable, washable filters are custom-crafted to seamlessly fit within your existing factory air box. Their drop-in design ensures effortless installation, requiring only the removal of the disposable air filter and its replacement with a K&N. Refer to the accompanying instructions for specific details. Our stock replacement air filters for street vehicles are covered by our renowned K&N Million-Mile Limited Warranty, ensuring they will be the last air filter your vehicle ever needs. K&N washable, reusable High-Flow Air Filters incorporate a cutting-edge design featuring layered, oiled cotton media engineered to optimize airflow and capture contaminants. This design is intended to boost horsepower. Each performance air filter is designed for long-term durability, lasting the entire lifespan of your vehicle, and is backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are engineered for easy installation into your factory air box.

Installation Instructions
Technical Bulletin

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