MAD BMW F80 F82 M3 M4 S55 Front Mount IntakeMAD BMW F80 F82 M3 M4 S55 Front Mount Intake Upgrade your BMW F80 M3 or F82 M4 with the MAD front mount intake for the S55 engine. Designed for maximum airflow and performance, this intake system improves throttle response, enhances turbo sound, and increases horsepower. Unlike the restrictive factory airbox, the MAD front mount intake places the filters directly in front of the car, ensuring the turbos get a consistent supply of cool, fresh air. This