2014-2020 BMW 4 Series (F32/F33/F36) M Performance Rear Diffuser

The F32/F33/F36 M Performance style rear diffuser was specifically designed to spice up the 1st generation BMW 4 Series coupes, convertibles, and gran coupes. It's a plug-and-play design, made from high quality polypropylene thermoplastic, and is a direct bolt-on install on any M Sport equipped 4 Series mentioned above. YOU MUST ALREADY HAVE THE FACTORY M SPORT PACKAGE OR OUR E3TUNING F30 M SPORT REAR BUMPER. Just like the OEM M Performance upgrade from the dealership, our aftermarket diffuser is designed to be both durable and resilient, so whether you are looking to upgrade your current diffuser, or simple replace your factory M Performance diffuser, this is the perfect product for you. Features Exhaust Cutout Options: There are 3 options for the exhaust cut out depending on your vehicle and/or personal preference. 428i style with twin pipes exiting the driver's side 435i style with dual single pipes exiting both sides Quad style with twin pipes exiting both sides 435i OWNERS