Upgrade your BMW 3 Series E90 2004-2011 with this set of four shock absorbers, designed for both front and rear placement. These gas charged shocks are crafted from high-quality steel and are 100% accurate in fit, making them easy to replace. They come with a 3-year manufacturer warranty and are sealed to ensure maximum performance. The bundle includes reference OE/OEM numbers 31316771553, 31316771723, 31316772921, 31316780075, 31316768916, 31316771178, 31316772918, and 31316783988. The shocks and struts are compatible with the BMW 3 Series E90 2004-2011, and their placement on the vehicle includes the front and rear, left and right ends. Invest in these shock absorbers to enhance your car's suspension system and enjoy a smoother ride on any terrain.