You just pry it out. There should be a little indent on the right side where you can stick a flathead in.
It's most likely the bulb. The wiring to the trunk light doesn't move or flex.
AW/Terra | ZSP | ZPP | ZCW | iDrive | CA
Mods: BC BR | Blacklines | M-tech rear | dual exhaust | M3 steering wheel | BMW SSK | ZHP shift knob | BMW Performance rep spoiler | NBT Retrofit
Varrstoen ES1 19x9.5+20 Front, 19x11+25 rear