This driver performs better than the part number. LED power = brightnessNo errors, no interferenceOvervoltage protectionConsumes 3 less currentThis part is Plug And Play (does not require 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 the faulty b003809.2 LED driver. FITS for ALL X3 F25 vehicles with rear tail lightsCondition:NewOther Part Number: b003809.2Fitment Type: Direct ReplacementPlacement on Vehicle: Rear, Left, Right, Inner, OuterVoltage:12V Wattage:3WManufacturer Part Number: b003809.2 63217217305,63217217306,63217217309,63217217310,63217217311,63217217312,63217217313,63217217314100% Plug-n-Play: the driver has socketsOne driver fits either inner or outer lightColor:blackMaterial:Metal + PlasticPackage Contents:2 x LED Tail Light Driver 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.