This Driver work Better Then the Part Number Part.Stock LED current = stock brightnessNo errors, no interferenceTransient voltage protectionConsumes 3 times less currentThis 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 stock b003809.2 LED driver. FITS for ANY X3 F25 vehicle with LEDs in rear tail lightCondition:NewOther Part Number: b003809.2Fitment Type: Direct ReplacementPlacement on Vehicle: Rear, Left, Right, Inner, OuterVoltage:12VWattage:3WManufacturer Part Number :b003809.2 63217217305,63217217306,63217217309,63217217310,63217217311,63217217312,63217217313,63217217314100% Plug-n-Play: our driver has stock socketOne driver fits either inner or outer lightColour:blackMaterial:Metal + PlasticPackage Contents:2 x Led Tail Light Driver Chip BoardOnly the above package content, other products are not included.Note: Light reflection 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.