Description
The K&N Filters Replacement Air Filter for BMW X3 M/X4 M – 4 per Box (KNN33-3160) is designed to deliver consistent airflow and performance in your 2021 BMW X3 M or X4 M. This OEM-fit air filter supports optimal engine efficiency, helping maintain horsepower and throttle response. It comes with four filters per box, ensuring complete replacement for all required air intakes. This filter is built to match factory specifications and provides a long-lasting solution with easy installation. Engineered by K&N Filters, a trusted brand in automotive filtration.
Features and Specifications:
- Vehicle Fitment: 2021 BMW X3 M and X4 M
- Air Filter Material: Cotton Gauze
- Includes: 4 air filters per box
- Air Filter Shape: Panel
- Outside Length: 11 in (279 mm)
- Outside Width: 3.031 in (77 mm)
- Height: 1.75 in (44 mm)
- Package Contents: 4 Air Filters
- Performance Boost: Designed to increase horsepower with enhanced airflow.
- Durability: Washable, reusable, and built to last for the vehicle’s life.
- Filtration: Provides high airflow while ensuring exceptional filtration.
- Easy Installation: Engineered to fit seamlessly into the factory air box.
- Maintenance: Requires cleaning only every 50,000 miles under normal highway driving conditions.
- Compliance: Emissions are legal in all 50 states.
- Warranty Protection: No-Hassle Lifetime Limited Warranty; will not void the vehicle warranty.
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