For those of you who have already ordered the BMW 435i Coupe with M Sport package I have great news for you! BMW 4 Series M Performance parts has just been unveiled and here is what we know so far. For the Show, The M Performance Aero parts include the carbon fiber front splitter, rear spoiler, rear diffuser, and mirror caps. It also includes black sides skirt blades and kidney grilles. The sides of the car feature M Performance stripes. Like the F30, the front splitter and rear diffusers require the M Sport Package bumpers. The interior includes an alcantara dashboard, carbon interior trim with alcantara, M Performance alcantara steering wheel with race display, carbon fiber trim and contrast stitching, carbon fiber gearshift lever with alcantara gaiter, stainless steel pedal covers / footrest, carbon fiber hand brake lever with alcantara gaiter, and M Performance floor mats. And here is for the go bit, an optional limited slip differential (LSD) as part of the M Performance Parts catalog. The LSD will be a clutch type unit and feature a 30% lockup.
Source
Source