Hi,
Once you have removed all the screws holding the side fairing on, you have to pull the fairing, it has 2 plastic 'spikes' one near the BMW logo and one near the back of the side panel.
When you refit the side panel, there are some locator tabs at the bottom, be careful not to break them, the parts needs gentle, but firm pressure to remove/refit.
Kind regards,
Mark.