K&N Engineering Drop In Air Filter

BMW 523i 2009 - 2010 3.0L-L6

Part #: 33-2970

Overview

The K&N Engineering Drop-In Air Filter is a high-performance replacement designed specifically for the BMW 523i models from 2009 to 2010 with a 3.0L-L6 engine. Crafted to enhance your vehicle’s airflow, this washable and reusable air filter helps optimize engine response and efficiency. Ideal for enthusiasts seeking improved performance and durability, the filter’s layered, oiled cotton media captures contaminants while supporting maximum airflow, contributing to a more responsive driving experience. Its durable construction ensures long-lasting service, making it a reliable upgrade for your vehicle’s intake system.

Key Features

This K&N air filter combines advanced materials and thoughtful design to deliver practical benefits:

• Constructed with layered, oiled cotton media for superior filtration and airflow
• Reusable and washable, allowing for extended use and cost savings over time
• Engineered to improve throttle response and engine efficiency
• Designed for easy installation with a direct drop-in fit
• Backed by K&N’s 10-Year/Million Mile Limited Warranty for peace of mind
• Durable frame maintains shape and fit during service intervals
• Supports consistent airflow to help maintain optimal engine performance