The BMW 118i air filter is a high-flow filter designed to fit in the factory airbox. It is washable and reusable, and is designed to increase horsepower and acceleration while still providing filtration.
- Type: High-flow air filter
- Compatibility: BMW 118i 1.5L L3 F I 14–18
- Installation: In the factory airbox
- Maintenance: Washable and reusable