K&N Performance Air Intake System (57S-9505) BMW > M4 > F82/F83 2Dr Coupe/Convertible 2014-2020 (S55) Burst pressures are rated at

Burst pressures are rated at 4:1 of safe working load

our gauges function far beyond the limits of the in-car environment

resulting in the diaphragm splitting and boost leak

configure units settings of individual measurements

K&N Performance Air Intake System (57S-9505) BMW > M4 > F82/F83 2Dr Coupe/Convertible 2014-2020 (S55) Burst pressures are rated atThe K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The removable lid