K&N Performance Air Intake System for the E90, E92 and E93 M3. Provides a horsepower increase as well as aural boost. Heat-shielded high-flow roto-moulded HDPE intake tube with K&N filter – does not require mapping changes. Just fit and go!

• Guaranteed to increase horsepower and torque*
• Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
• Engineered to provide high airflow and exceptional filtration
• Replaces factory air filter and intake tube
• Filter only requires cleaning every 100,000 miles under normal highway driving conditions
• Typical installation can be completed in 60 minutes or less with simple hand tools
• No-Hassle Lifetime Limited Warranty
• Will not void vehicle warranty*

*manufacturer claim