K&N Engineering Drop In Air Filter

Part #: 33-2294

Overview

The K&N Engineering Drop In Air Filter for the BMW 545i 2004 is a high-performance replacement air filter designed to optimize airflow and engine efficiency. Crafted for enthusiasts seeking improved throttle response and enhanced engine breathing, this filter is engineered to fit directly into your vehicle’s existing air intake system without modifications. Its primary benefits include increased airflow capacity, durability, and a reusable design that supports long-term performance and cost savings. Whether you’re looking to boost your driving experience or maintain peak engine health, this filter offers a reliable upgrade for your BMW 545i.

Key Features

This K&N drop-in filter features a high-flow, washable, and reusable cotton gauze media that provides excellent filtration while maximizing airflow. Its deep pleats increase surface area, supporting better air intake and engine response. The filter’s durable epoxy-coated aluminum wire mesh prevents damage and maintains shape over time. Designed for easy installation, it fits seamlessly into the stock air box, requiring no additional tools or modifications. The filter is built to withstand harsh conditions, offering a long service life with proper cleaning and maintenance. Its high-quality construction ensures consistent performance and reliable filtration, helping your engine operate at its best.

Construction & Design

The filter utilizes a layered cotton gauze media encased in a rugged aluminum wire mesh, providing both filtration efficiency and structural integrity. The deep pleats maximize surface area for improved airflow and dirt holding capacity, supporting sustained engine performance.

Installation & Fitment

Designed as a direct replacement, this filter installs easily into the stock air box of the BMW 545i 2004. No additional modifications or tools are required, making it a straightforward upgrade for enhanced airflow.

What’s Included

The package includes one high-performance drop-in air filter, ready to install in your vehicle’s existing air intake system.

Ideal For

Perfect for BMW 545i owners seeking to improve engine response, airflow, and filtration efficiency without complex modifications or ongoing costs associated with disposable filters.