aFe Stage-1 Cold Air Intake w/ Pro DRY S Filter | BMW 525i/528i E39 (97-03) (51-10601) (SPF5110601)

The aFe Stage-1 Cold Air Intake with Pro DRY S Filter is a high-performance intake system designed to enhance airflow and engine efficiency for BMW 525i and 528i models within the 1997-2003 E39 chassis. Constructed with a durable 16-gauge heat shield, this system features a large washable and reusable Pro 5R air filter that provides 360-degree conical filtration, increasing airflow and delivering an estimated 6 horsepower and 7 lb-ft of torque. The inclusion of a unique 3-angle adaptor optimizes air velocity, contributing to improved throttle response and overall engine performance. Engineered for easy installation, this intake system offers a significant upgrade in airflow capacity, durability, and filtration quality, making it suitable for enthusiasts seeking increased power and efficiency.

Designed specifically for 1997-2003 BMW 525i and 528i models, this intake system is a direct bolt-on upgrade that replaces the factory air intake components. It is compatible with stock engine configurations and is ideal for street performance and daily driving applications. The kit includes the heat shield, Pro 5R filter, and all necessary mounting hardware for straightforward installation. This system enhances engine breathing, resulting in improved throttle response and power output, making it an excellent choice for those looking to maximize their vehicle’s performance without extensive modifications.