K&N BMW BM-1204 Air Filter

K&N® washable, reusable High-Flow Air Filters™ are designed with layered, oiled cotton media to enhance airflow and engine performance while capturing contaminants. These filters are engineered to last the entire lifespan of your vehicle and come with K&N's No-Hassle Lifetime Limited Warranty. Easy to install in your factory air box, upgrade today for superior airflow and performance!

Features:

• Designed to increase horsepower
• Washable, reusable, and engineered to last for the life of your vehicle
• Designed to provide high airflow and exceptional filtration
• Engineered to fit easily into your factory air box
• No-Hassle Lifetime Limited Warranty
• Only needs cleaning every 50,000 miles under normal highway driving conditions
• Emissions are legal in all 50 States
• Will not void vehicle warranty