K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height 2019-bmw-i3-esi6007360 Angling and relocating the plate

Angling and relocating the plate to the side not only helps reduce wind resistance

The torque arm assists in controlling the engine and drivetrain forward and aft twisting motion

When faced with hard driving conditions

5-ply silicone construction makes it more durable than the stock rubber hose

K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height 2019-bmw-i3-esi6007360 Angling and relocating the plateK&N adjustable fitting Universal Air Filters are made with flange inserts which adjust the filter's flange to one of three inside flange diameters. The flange on these filters is made with ultra strong molded pliable rubber which absorbs vibration and allows for secure attachment. K&N clamp on universal air filters are washable and reusable.