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For hardcore enthusiasts
and larger end plates than the original GTS wing
It works well with the M6 Gran Coupe’s ANC system - just like the valve system
we added a second inlet to the airbox with a scoop pulling in air from the inner wing area
"This is the most cost effective way of improving the performance of your E9X M3
Evolve Supercharger Uprated Billet Plenum - BMW 5 Series E39 M5 1 Series (F20 / F21) For hardcore enthusiastsNO LONGER AVAILABLE The reason we have made the plenum is not just for improved efficiency, but to facilitate not blowing plenums up or seeing even the strongest ones expanding and contracting so much (they eventually blow too). The plenum has been designed on purpose with the location of the the two entry feeds to be in the stock position meaning that it can be installed on any supercharger kit that uses the OEM plenum, such as RK and ESS The