K&N Filters air filter details
K&N Filters Replacement Air Filter for 0310 BMW 525i 2.5L L6 (KNN33-2292)
The K&N Filters Replacement Air Filter for 0310 BMW 525i 2.5L L6 (KNN33-2292) is engineered to provide efficient airflow and long-lasting engine protection. This high-performance filter is designed specifically for the 2.5L inline-6 engine in the 2003-2010 BMW 525i, offering a direct OEM replacement that's both washable and reusable. Its durable design supports improved throttle response and overall engine performance without requiring any modifications during installation. It is a practical solution for drivers who want to reduce maintenance costs while maintaining engine health.
Features and Specifications:
Air Filter Shape: Panel
Air Filter Material: Cotton Gauze
Height: 1.125 in (29 mm)
Outside Length: 11.375 in (289 mm)
Outside Width: 9.125 in (232 mm)
Vehicle Fitment: 0310 BMW 525i with 2.5L L6 engine
Engineered Power: State-of-the-art air filter media boosts horsepower and acceleration while enhancing overall engine performance.
Rugged Construction: Made from durable, premium materials and advanced construction methods for long-lasting performance.
4 Layers of Protection: Premium cotton gauze treated with a specialized tacking agent blocks and traps harmful contaminants.
Low Maintenance: Clean every 75,000 miles (5 years) under normal highway driving conditions.
Reusable Design: Replacing disposable filters with washable, reusable air filters saves up to $125 over 200,000 miles.
Easy Installation: Pre-oiled and ready for quick, hassle-free installation into the factory air box.
Reduces Waste: This helps reduce landfill waste by eliminating the need for disposable air filters and packaging.
Product identification
- Brand: K&N Filters
- Model / MPN: KNN33-2292
Air filter replacement: see the listed specifications for this model.




