K&N High-Flow Air Filter 33-3171 (Set of 2) for 2021-2026 BMW M2 M3 M4 - Panel Replacement Filter

K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.

Key Features:

• 4 layers of premium cotton gauze treated with specially-designed tacking agent
• Clean once every 75,000 miles under normal highway driving conditions (5 years based on 15,000 miles/year)
• Pre-oiled and ready to drop into your factory air box for easy installation
• Engineered to increase horsepower and acceleration
• Reduces waste compared to disposable filters
• Reusable K&N filter saves money over time
• Rugged construction for lifetime use
• No-Hassle Lifetime Limited Warranty

Specifications:
Air Filter Material: Cotton Gauze | Air Filter Shape: Panel | Frame Design: Flexible | Height: 1.125 in (29 mm) | Outside Length: 10.188 in (259 mm) | Outside Width: 9.5 in (241 mm) | Overall Filter Efficiency: Up To 99% Efficiency | Package Contents: 2 Air Filters | Washable: Yes | Weight: 2 lb (0.9 kg)

WARNING: Cancer and Reproductive Harm