1 - cladding
2 - protective pad
3 - medium pad
4 - side protective pad
5 - overlay
6 - thermal insulation
7 - expansion rivet
8 - bracket
9 - towing eye cover
10 - lid
11 - clamp
12 - stiffening film
13 - Hexagon head bolt for sheet metal nut
14 - Sheet metal nut
15 - slider
16 - towing eye
17 - beam
18 - Hexagon head bolt
19 - seal
20 - energy absorbing buffer
(The original text can be read on the website «BMWMAN.ru»)