BMC 04-06 Porsche Boxster / Boxster S 2.7L Replacement Cylindrical Air Filter 2020-bmw-228i-xdrive-gran-coupe-esi3302169 Here is the solution

Here is the solution

1x 1/8" NPT Schrader valve with cap

The system features dual 4" X 2" rectangle polished T-304 stainless steel tips

Our Engineers designed the fully enclosed dry air filter to draw in a larger volume of air into its hand laid carbon fiber constructed cold air box

BMC 04-06 Porsche Boxster / Boxster S 2.7L Replacement Cylindrical Air Filter 2020-bmw-228i-xdrive-gran-coupe-esi3302169 Here is the solutionBMC air filters are made of high performance materials that increase air flow and improve filtration, guaranteeing containment of impurities as small as 7 microns (compared to OEM's 10 microns).