K&N High-Flow Air Filter 33-2458 for 2011-2015 BMW 135i 335i X1 - 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 (every 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 | Filter Re-Oiling Amount: 1.81 oz (54 ml) | Frame Design: Flexible | Height: 1 in (25 mm) | Outside Length: 11.125 in (283 mm) | Outside Width: 10.5 in (267 mm) | Overall Filter Efficiency: Up To 99% Efficiency | Washable: Yes | Weight: 1.1 lb (0.5 kg)

WARNING: Cancer and Reproductive Harm