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ATT: E90 ECM Service
Ultra-soft
In this program
* Valve size: 2
Tech Data Sheet: X2 Module Tech Sheet
E-2657 K&N Replacement Air Filter Charger ATT: E90 ECM ServiceK&N? washable, reusable High Flow Air Filters? feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your