The K&N 33-2990 high-flow air filter is designed for BMW 1 Series, 2 Series, 3 Series and 4 Series models. Its construction features four layers of oiled cotton gauze that trap harmful particles and are designed to increase airflow, horsepower, acceleration and overall performance.
The filter is washable and reusable. To clean it, apply cleaner, rinse it, allow it to dry, and then re-oil it.
- Type: High-flow air filter
- Material: Cotton gauze
- Layers: 4
- Maintenance: Washable and reusable
- Compatibility: BMW 1 Series, 2 Series, 3 Series, 4 Series