K&N Air Intake Kit For 99-05 BMW 3 Series

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes.

Product Features:

• 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 Warrantyâ„¢
• Will not void vehicle warranty
• 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

Product Attributes:

• Replacement Filter: RU-4730
• Street Legal In All US States: Legal for use in all 50 states.
• TUV Approved (Europe): No
• Type: Gen II
• Warranty: No-Hassle Lifetime Limited
• Weight: 8.8 lb (4 kg)
• Air Box Included: No
• Air Filter Color: Red
• Air Filter Material: Cotton Gauze
• Air Filter Outlet Shape: Round
• Air Filter Washable: Yes
• CARB EO Number: D-269-31
• Clamp Color/Finish: Natural
• Clamp Material: Stainless Steel
• Clamp Style: Regular
• Clamps Included: 3
• Coupler Color/Finish: Black
• Couplers Included: 1
• Estimated Horsepower Gain: 9.69 HP @ 6090 RPM
• Estimated Torque Gain: 8 lbft
• Intake Pipe Color / Finish: Black
• Intake Pipe Material: High-Density Cross-Linked Polyethylene
• Intake Pipe Ports: All intake tube ports needed for the specified applications are included
• Mass Air Flow Sensor Adapter Included: No
• Mounting Hardware Included: Yes
• Oil Included: Yes
• Package Material: Paperboard
• Package Type: Box
• Product Style: 57 Series FIPK