Depending on the year attachment points of a slightly different kind.
Front bumper
-wrenched the wheel depending on which side of the bed will disassemble.
-wheel arches Unscrew the screws that attach the fender liner.
-remove the fender liner to the side and Unscrew one screw on each side that attach the angles to the wings.
-Unscrew the screws under the hood between the headlights (if any).
-Unscrew the screws around the perimeter at the bottom of the bumper.
-assistant free the bumper from the clips in the wings and under the headlights, neatly pulls itself.
-remove the connectors from the fog lights (if any).
-remove connector from the PDC (if any).
-if you have headlight washers, disconnected the hoses.
Rear bumper
-in the wheel wells, Unscrew the screws holding the wheel arch liners and mud flaps (not to remove the wheels easier to turn a ratchet with a nozzle).
-remove the fender liner to the side and Unscrew one screw on each side (spun upwards) holding the corners to the wings.
-Unscrew the screws in the opening of the trunk.
-in the trunk remove the plastic cover of the rear panel.
-to the apertures of the rear panel Unscrew cap nuts.
-on the perimeter in the bottom part Unscrew the screws and take out the caps (twisted and inserted from the bottom up).
-with the assistant release the bumper clips and gently pulls on itself.
-remove the electrical connectors.
How to remove front and rear bumper Lexus RX (2003-2008)
How to remove front and rear bumper Lexus RX (2008)
How to remove front and rear bumper Lexus RX (2015)