Doors take little effort to close and are pretty solid. Trunk needs to be firm but not overly. I think my F30 trunk takes a little more effort than my old E90's did, though. All in all, the car sounds solid when closing doors/trunk. Not like a tin can.
2015 F30 335i | M-Sport | Estoril Blue | Black Dakota | 6-speed | HK Sound | Cold Weather | Premium Pkg | Sill Decals | Coded
| 19" Style 442M Grey Orbit Staggered | M-Sport Brakes | MPPK | MPE | Front Splitter Black | CF Rear Spoiler | Black Grilles
Previous loves: 2013 F30 335i / 2009 E90 335i / 2007 E90 328xi