General OEM Replacement LED Courtesy Lights, LED Vanity Lights or LED Trunk Area Lights
For most cases, you just need a flat head screw driver to pry, pop and remove the stock side door courtesy lamp.
Unplug the wires, install the LED lamp and put it back.
BMW Direct Fit LED Door Courtesy Lamps Installation Guide
Audi Direct Fit LED Door Courtesy Light Panel Installation Guide