[s-cars] UrS4 bumper removal

[Robert Rossato]

> Obviously, Steve does not use the two front dzus buttons on his
> undertray.  He may regret that decision
> at some point.  Do not follow his lead on that.  With the two front
> dzus properly fastened, the tray actually
> holds the bottom of the bumper up and prevents it getting snagged on
> some unseen obstacle, usually
> when backing up.

While you should always have the two front Dzus fasteners installed (the
undertray can fly off at speed with them missing), sadly it doesn't prevent
the bumper from snagging on some unseen obstacle when backing up.  Ask me
how I know.

Bob