K&N Replacement Air Filter (33-2943) Maserati BMW has utilized a very

BMW has utilized a very different type of valve connection mechanism that makes their product and our replacement components very unique

Gains of up to 13BHP

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Diagram reference: 8

These are sold and priced per set (2 bush's

K&N Replacement Air Filter (33-2943) Maserati BMW has utilized a veryK&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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your