The K&N 33-2997 high-flow air filter is washable and reusable, made with multiple layers of cotton gauze treated with a special agent to capture contaminants. It is pre-oiled and fits in the factory airbox. Its design aims to improve airflow and increase horsepower and acceleration.
It should be cleaned every 120,000 km under normal highway driving conditions.
- Type: High-flow air filter
- Dimensions: 267 x 217 mm
- Compatibility: BMW 2 Series
- Material: Cotton gauze
- Protection layers: 4
- Reusable: Washable
- Installation: In the factory airbox
- Cleaning interval: Every 120,000 km under normal highway driving conditions