DEDC Rear Air Suspension Spring Bag for BMW X5 X6 E70 E71 E72 2007-2012 37126790078 Good Quality, 1 Year Warranty. The suspension system absorbs car shock and helps the tires maintain contact with the road. Improving ride experience. Fit For: 2007 2008 2009 2010 2011 2012 BMW X5, 2008 2009 2010 2011 2012 BMW X6 , E70 E71 E72 Reduce vibration, improving ride,make ride smooth and comfortable. Package included:1 x Air Ride Suspension Bag US domestic shipping or FEDEX.