General description Rear Left & Right Air Suspension Spring Bag for BMW E53 X5 (2000-2006) is designed to replace the original rear air springs. These aftermarket air suspension bags ensure durability and safety, having undergone extensive testing. Technical specifications Condition: Brand New Warranty: 2 Years Placement on Vehicle: Rear Left & Right Part Numbers: 37126750355, 37126750356, 37121095579, 37121095580, 37 12 6 750 355, 37 12 6 750 356, 37 12 1 095 579, 37 12 1 095 580 Temperature Range: ≥ -40℃ / ≤ 70℃ Air Tightness Test: ≤ 0.02MPa Tested for over 3,000,000 cycles Installation Professional installation is recommended for optimal performance. Usage This product is intended for use in BMW E53 X5 models from 2000 to 2006 with sport air suspension. Other information Please ensure to check the OEM number of your original air spring to confirm compatibility before purchase.