You will need: T20 TORX wrench, flat and Phillips screwdrivers.
1. Remove the rear fenders (see «Removal and installation of fender liner and wheel mudguards»).
2. Turn out screws of fastening of a bumper to fenders in niches of back wheels on both sides and take screws with washers.
3. Using a screwdriver, pull out the cores of the two latches of the lower bumper mount...
4....and remove the retainers.
5. Remove taillights (see «Rear light replacement»).
6. Having pressed both sidewalls of a bumper, disconnect it from clamps on wings.
7. Disengage the rear bumper latches from the holders on the rear panel...
8.... and remove the rear bumper.
9. Install the rear bumper in the reverse order of removal.