Pair of smoked LED rear lights for 2001-2004 R50 or R53s. Proper harness adaptor connects straight in to the OEM plugs with ballast/resistor units.
The wiring is different for 2004- cars but you could probably chop it up and make it work but it's plug and play for pre-facelift cars.
Minor scratch on one of the lenses as shown in the picture.
New on eBay these are £160, looking for £100 ONO.