I'll start by putting up some part numbers:

Model: Compact
Year: 2001 to 2004

Complete Rear Boot Spoiler Kit

Painted rear spoiler
51 11 0 028 853

Primed rear spoiler
51 71 7 894 366

Adhesive tape
51 71 7 901 760

Activator 205
83 19 0 030 155