K&N Replacement Air Filter (33-2018)K&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

with our smooth bore multi-ply Forge silicone hose which increases air flow

Number of mounting bores:8

1 x 57 x 2

OEM Part Number: 171411314A

allowing a direct connection between your gas pedal and throttle body

PLEASE NOTE: THE ORIGNAL O-RINGS/SEALS MUST BE RETAINED FOR USE ON THE FORGE HOSES

we have also reduced the chances of damage from road debris

SEL / 560 SE

BMW 328i(F30/F31) 2

so this hose is not only functional but it also improves the aesthetics of the TSI engine bay

Everything included

Note: that due to the high flow and low restriction offered by the 50mm valve