K&N Engineering Induction Kit

Fits 1998–2005 BMW 3-Series

Part #: 57I-1000

Overview

The K&N 98-05 BMW 3-Series Generation II Induction Kit is a high-performance air intake system designed to optimize airflow to your engine. Crafted for enthusiasts seeking improved engine response and increased power, this induction kit enhances your vehicle’s breathing capabilities while maintaining reliability and durability. Its innovative design helps deliver a more aggressive throttle feel and supports your vehicle’s overall performance potential, making it an excellent upgrade for daily drivers and performance enthusiasts alike.

Key Features

This induction kit features a rotationally molded HDPE tube that provides a smooth, high-volume airflow path, reducing restrictions and supporting optimal engine breathing. The oversized, conical high-flow air filter is washable and reusable, offering up to 100,000 miles of service under normal highway conditions. A custom heat shield helps protect intake air from engine heat, ensuring cooler, denser air reaches your engine for improved combustion efficiency. The system is engineered for a straightforward installation, with all necessary hardware included, making it a practical upgrade for your BMW.

Construction & Design

Constructed from durable, high-density polyethylene (HDPE), the induction kit is designed to withstand the rigors of daily driving and environmental exposure. The rotational molding process ensures a seamless, strong, and lightweight tube that maintains its shape and performance over time. The heat shield is precisely molded to fit your vehicle, providing effective thermal protection for the intake air.

Driving Feel & Feedback

This intake system helps improve throttle response and engine sound, giving your BMW a more engaging driving experience. The increased airflow support can enhance acceleration and overall responsiveness, making every drive more dynamic and enjoyable.

Installation & Fitment

Designed for a direct bolt-on upgrade, this induction kit requires minimal modifications and can be installed with basic hand tools. The included hardware and detailed instructions ensure a hassle-free process, allowing you to enjoy the benefits of improved airflow quickly.

What’s Included

The package includes the HDPE intake tube, high-flow washable filter, heat shield, and all necessary mounting hardware for a complete installation.