The storage package contains the collapsible box, the small storage compartment under the light controls to the left of the steering wheel, and the chrome inserts for the cup holders in the front. And about those mudflaps, there are mudflaps for the M package but many people have reported that they have difficulty installing them. There is a chance that there is special mudflaps for the M package. Contact your dealer, your dealer are your friends. (well most of the time)
