General description These air suspension bags are aftermarket replacements for the original rear air springs in BMW vehicles. They are designed to enhance performance and maintain vehicle stability, especially when towing or carrying heavy loads. Technical specifications OE/OEM Numbers: 37106781827, 37106781828, 37106781843, 37106781844, 37106784378, 37106784379, 37106784380, 37106784381 Compatible Models: BMW 5-Series F07 (2009-2017), F10, F11, including Gran Turismo and Touring Wagon variants 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 models including: 520d, 530dX, 530d, 535dX, 535d, 535i, 535iX, 550iX, 550i, 520i, 523i, 525d, 528i, 530i Includes: 1 x air suspension rear axle (right or left) Installation