8) Now with the old “gill” out of the car simply unclip the wire by taking the flat head screw driver and lift the edge of the plastic outward with the little notch on it to unplug it.
Now plug in your new black chrome gill in and turn on the cars turning signal to make sure all is working correctly before popping it back into place and sealing up the job.
Now that you confirmed the lighting, start by popping the new gill into place by starting with the left edge “nearest the M3 logo” and push it into place until you hear all the clips “pop” and everything is secure – you may now put the wheel covers back on including the wheel. And you’re done with that side.
Jerez e90m3 with some mods