This Driver work Better Then the Part. No errors, no interference.Transient voltage protection Consumes 3 times less current 100% Plug-n-Play: our driver has stock socket One driver fits either inner or outer light Fit for 2010 2012 2013 2014 2015 2016 2017 X3 Inner or Outer Tail Lights catalog of lamps This Will fit 63217217314/63 21 7 217 314; 63217217313/63 21 7 217 313; 63217217312/63 21 7 217 312; 63217217311/63 21 7 217 311 Plug-n-Play: our driver has stock socket This Part Is Plug And Play (Does Not require any cutting and Soldering Like other Parts) This is an improved replacement Led Driver Board (LED Chip) for 2011 to 2015 X3 Inner and Outer Led tail Lights This will Replace faulty stock b003809.2 LED driver. FITS ANY X3 F25 vehicle with in rear tail light Specification Other Part Number: b003809.2 Fitment Type: Direct Replacement Placement on Vehicle: Rear, Left, Right, Inner, Outer Voltage: 12V Wattage: 3W Colour: Black material: metal Package Contents: 1 * Led Driver Tail Light led Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.