that's what I am doing all da time - I have to park in reverse...
when I had an M3 bimma - every once in a while I had to fix the splitter that used to get loose all the time...
... and then again, when I was removing the fogs (b/c of the DMV) and crawled under the car - I saw how bad the rear bumper panel is as a result of the inclined - downward - parking space in front of my hose...