This Driver work Better Then the Part Number Part. LED current = brightness No errors, no interference Transient voltage protection Consumes 3 less current 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 2017 X3 Inner and Outer Led tail Lights This will Replace faulty b003809.2 LED driver. FITS for ANY X3 F25 vehicle with LEDs in rear tail light Condition:New Other Part Number: b003809.2 Fitment Type: Direct Replacement Placement on Vehicle: Rear, Left, Right, Inner, Outer Voltage:12V Wattage:3W Manufacturer Part Number :b003809.2 63217217305,63217217306,63217217309,63217217310,63217217311,63217217312,63217217313,63217217314 100% Plug-n-Play: driver has socket One driver fits either inner or outer light Colour:black Material:Metal + Plastic Package Contents: 2 x Led Tail Light Driver Chip Board Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.