The DNA Filters BMW-X1B air filter is a high-flow filter that fits in the factory air box of the BMW X1. It is washable and reusable, and is designed to increase horsepower and acceleration while filtering the air.
- Type: High-flow air filter
- Compatibility: BMW X1
- Installation: In the factory air box
- Maintenance: Washable and reusable
- Function: Increases horsepower and acceleration while filtering the air