Im not sure abut the actual screen trim, but start by removing the whole monitor screen. THere will be 2 T20 torx bits that are holding it on at least on the 3 series there are, not sure about your car.
And yes it does creek, even the navigation one does. Im in the process of fixing this myself.
ACF Flash Tune_Pure Stage 1_GFB DV ER cat less DP_ER Charge Pipe_Wagner FMIC_JB4 w BT connect_S55 spark plugs_H