K&N VF4000 Cabin Air Filter

Overview of the K&N VF4000 Cabin Air Filter

The K&N VF4000 cabin air filter is designed to provide high performance filtration for select BMW models. Engineered with non-woven synthetic material, this washable filter helps maintain clean air inside your vehicle's cabin while supporting long service intervals.

• High performance cabin air filter made from non-woven synthetic material
• Compatible with BMW 525i, 530i, 535i, 535i GT, 535i xDrive, 545i, 550i, 645Ci, 650i, M5, and M6 models
• Durable polyethylene construction with dimensions 12.438 in (L) x 6.688 in (W) x 1.125 in (H)
• Washable design for extended use and cost efficiency
• Recommended replacement interval of 100,000 miles
• Backed by a 1,000,000 miles/10 year warranty

Detailed Product Description

The K&N VF4000 cabin air filter utilizes a non-woven synthetic filter material that effectively captures airborne contaminants while allowing optimal airflow through the HVAC system. Its polyethylene construction ensures durability and resistance to wear over time. Measuring 12.438 inches in length, 6.688 inches in width, and 1.125 inches in height, this filter fits precisely into the cabin air filter housing of compatible BMW vehicles. The washable feature allows for cleaning and reuse, reducing the need for frequent replacements and lowering maintenance costs. This filter is designed to maintain air quality inside the vehicle cabin by filtering dust, pollen, and other particulates.

Compatible BMW Models and Applications

• BMW 525i
• BMW 530i
• BMW 535i, 535i GT, 535i xDrive
• BMW 545i, 550i
• BMW 645Ci, 650i
• BMW M5, M6

This cabin air filter is specifically engineered for these BMW models to ensure proper fitment and optimal HVAC system performance.

Common Issues Addressed by the K&N VF4000 Cabin Air Filter

• Reduction of dust and pollen entering the vehicle cabin
• Minimizing unpleasant odors caused by airborne contaminants
• Improving HVAC system efficiency by maintaining airflow
• Preventing buildup of debris that can affect ventilation performance
• Enhancing overall air quality for driver and passengers

Installation Notes and Tips

Installation of the K&N VF4000 cabin air filter is straightforward and typically requires no special tools. Locate the cabin air filter housing in your BMW model, remove the old filter, and insert the K&N VF4000 ensuring proper orientation. Since the filter is washable, periodic cleaning can extend its service life. Follow manufacturer guidelines for cleaning and drying before reinstalling.

Quality Assurance and Warranty

K&N provides a 1,000,000 miles or 10-year warranty on the VF4000 cabin air filter, reflecting confidence in its durability and performance. The washable design and high-quality materials contribute to a long service life, making it a reliable choice for maintaining cabin air quality in compatible BMW vehicles.