This IWG actuator has it all

The Supercharger-Specific PorPort features a softer ((4 In Hg) spring so it can stay open at idle when the supercharger is still producsing boost

BMW E90 / E92 / E92 M3 / E81 / E82 rear subframe mod kit is addition to Wisefab rear suspension that allows to get even more rear grip out of it

A direct fit replacement for the factory unit

BOV Kompact Supersonic Renault Megane RS250 JR9 This IWG actuator has itThe Renault Megane RS250 Kompact Supersonic BOV is easy to install and setup. Preferred venting solution for serious street tuners and racers. Designed as a direct bolt on replacement for the factory part, the Megane RS250 BOV is easy to install and requires no special tools or fabrication. Supplied With: Bracket and Fitting Hardware