This part is easy to purchase incorrectly. Please carefully check the pictures before purchasing to ensure that the plug you need matches our pictures. The car model is for reference only, subject to our pictures Reference Fitment: for BMW Z4 3.0L 2006-2008, for BMW X6 4.4L 2008-2011, for BMW 335is 3.0L 2011, for BMW 328xi 3.0L 2007-2008, for BMW 320i 2.0L 2012, for BMW 135i 3.0L 2008-2012, for BMW 535xi 3.0L 2008, for BMW 528xi 3.0L 2008, for BMW 525i 2.5L 2007, for BMW 760Li 6.0L 2010-2012, for BMW 750i 4.4L 2006-2011, for BMW 740i 3.0L 2011-2012, for BMW 650i 4.4L 2012, for BMW X5 3.0L 2007-2011, for BMW X3 3.0L 2007-2011. The car model is for simple reference only. Because the year also affects matching. There will also be more adapter models that have not been listed. Please refer to the car part pictures for specific details. The color of different wires in different batches of wire harness plugs may vary, which does not affect their use. When installing, first cut off one of the wires and connect it according to the original car harness position. Then operate the other wiring harnesses in sequence. Our plugs are all full wire plugs. If the original car plug has fewer wires, the extra wires in the new plug are not needed. Please purchase according to the picture.