This Driver work Better Then the Part.No errors, no interference.Transient voltage protection.Consumes 3 times less current.One driver fits either inner or outer lightOther Part Number: b003809.2Fitment Type: Direct ReplacementPlacement on Vehicle: Rear, Left, Right, Inner, OuterVoltage: 12VWattage: 3WThese boards Will fix the Dead Led bulb issue on you for E83 X3This is a 2 pcs set One for Each Body/Quarter Mounted Tail LightThis Is a DIY Kit and you will need to Cut in to the back side of the Light to replace the Led Board.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 2007 2008 2009 2010 X3Colour: as shownMaterial: LED+Metal platePackage Contents:2 * Tail light replacement plateOnly 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.