This kit includes both the right and left side pieces for the REAR bumper.

Fits:

2005-2006 R50 MINI Cooper Hatchback
2005-2009 R52 MINI Cooper Convertible

These parts are intended as 'replacements for MINIs that came with the chrome trim, these are not intended as 'add-on' part for cars that don't have the chrome exterior option. The bumpers for non-chrome vs. chrome are different part numbers - the bumpers for chrome are molded to accept the trim.