【Attention】Please verify that the product number matches the original vehicle part number you need before purchasing. 【Vehicle Fitment】Compatible with X3 E83 All Engines SUV 2003-2011 【Reference Number】51243400379, 51243414711, 3400379 【installation Position】tailgate trunk Left Right 【Technical Info.】Length [mm]: Approx. 622, case length [mm]: Approx. 412, Stroke [mm]: Approx. 210, housing diameter [mm]: Approx. 18, piston rod diameter [mm]: Approx. 8, Extension force [N]: 560