This is how I did it…. Pretty sure you can simplify. This job was a fair bit easier having a pit. But up on ramp would be totally do able.
Jack up car…
Wheels off
Rear light out
Open flaps either side, unscrew the two knobs with out dropping down the casm, in plug wires wiggle light fitting the back repeat left and right.
Bumper off
Number plate off, two screws behind numberplate out. Four acres in the wheel arch either side. Pull off back wards
Ally rail off
Exhaust 
