F8X F80 F82 M3/M4 Undertray Diffuser N55 Aftermarket EKP Required: No

Aftermarket EKP Required: No

If you already have a software program for your B58 chances are these tune files are already pre-loaded into your software waiting for you to flash after your downpipe is installed

We can build these turbos with stock snouts or modified machined snouts

Diffuser Compatibility: 2007-2013 E92/E93 M Sport Coupe & Convertible

F8X F80 F82 M3/M4 Undertray Diffuser N55 Aftermarket EKP Required: NoF8X M3 M4 4 Piece Diffuser EXPECTATION: 2X2 Carbon Fiber Weave High Gloss Clear Coat Excellent Fitment Professional Installation is required NOTE: Diffuser requires professional installation from experience aftermarket parts installer. Expect 3 4 hours installation time . No instruction is included .