General description These aftermarket air suspension bags are designed to replace the original rear air springs for BMW 5-Series models. They provide enhanced performance and convenience, ensuring that your vehicle maintains a level stance while towing or hauling, preventing rear sagging and excessive pressure on tires. Technical specifications OE/OEM Numbers: 37106781827, 37106781828, 37106781843, 37106781844, 37106784378, 37106784379, 37106784380, 37106784381 Placement on Vehicle: Rear left or right side Condition: Brand New Warranty: 2 Year Stress Test: Over 5,000,000 times Burst Pressure: ≥ 2.0 MPa Air Tightness Test: ≤ 0.02 MPa Temperature Range: ≥ -40℃ / ≤ 70℃ Material: Premium Natural Rubber Compatibility and accessories Compatible with BMW 5-Series F07, F10, F11 (2009-2017) Models Include: 520d, 530dX, 530d, 535dX, 535d, 535i, 535iX, 550iX, 550i (F07); 520d, 520i, 523i, 525d, 528i, 530d, 530i, 535d, 535i, 550i (F11); F10 / F18 Saloon Delivery includes: 1 x air suspension rear