How do you replace the brake light on the boot of a BMW z4?

To replace the brake light on the boot of a BMW Z4, start by opening the trunk and locating the brake light assembly. Remove the retaining screws or clips that secure the assembly, then gently pull it out. Disconnect the old bulb by twisting it counterclockwise, replace it with a new bulb, and reassemble the light assembly by reversing the removal process. Finally, test the new brake light to ensure it's functioning properly.