Sorry to bump this old thread, but how are you liking this setup? Can you hear it in the cabin at all? I know it will sound a bit different on the e92 but I am thinking about doing this very soon.
2007 335i E92:
JZW Tune | Alpina B3 Flash | Orion V2.5 | Black Kidney/Mesh Grills/Window Trim | CSL Spoiler | V1 | 6000K HID Headlights/Fogs | Painted Reflectors | BMS Intake | CSL Style Wheels | CIC iDrive | M3 Steering Wheel | N55 Exhaust | Aero Lip | Combox