The DNA air filter for the BMW Z4 is a high-flow filter that fits into the existing factory airbox. It is washable and reusable, and is designed to increase horsepower and acceleration while filtering the air.
- Type: High-flow air filter
- Make: BMW
- Model: Z4
- Filter manufacturer: DNA
- Engine displacement: 3.0 l
- Engine: 35is E89
- Model years: 2010–2017
- Washable: Yes
- Reusable: Yes
- Installation: In the factory airbox