1. Remove original vehicle mat (if so equipped). Locate existing retention device or color-coded plug in lower, left-hand corner of driver's floor area (directly in front or left & right seat tracks). Using any coin (or a flathead screwdriver), rotate existing device 90 degrees in a counterclockwise direction and lift to remove device from vehicle.
2. Place rubber mat retention device in the exposed hole in the vehicle carpeting, and rotate 90 degrees in a clockwise direction, while applying downward pressure. Retention device will lock firmly into place.
3. Place BMW rubber floor mat onto vehicle floor, noting retention pedestal, press mat firmly overretention device until the pedestal completely surrounds each retention post.