These air suspension bags are aftermarket ones. They will replace the original rear air springs. Before ordering, please compare the vehicle manufacturer's OEM comparison number to avoid mis-purchases. For BMW 5-Series F07 F10 F11 Air Strut Suspension 37106781828 37106781827 Reference OE/OEM Number 37106781827, 37106781828, 37106781843 37106781844, 37106784378, 37106784379 37106784380, 37106784381 37 10 6 781 827, 37 10 6 781 828 37 10 6 781 843, 37 10 6 781 844 37 10 6 784 378, 37 10 6 784 379 37 10 6 784 380, 37 10 6 784 381 Applications For BMW 5-Series F07 F10 F11 2009-2017 for BMW 5-Series Gran Turismo F07 Models Include: 520d, 530dX, 530d, 535dX, 535d, 535i, 535iX, 550iX, 550i for BMW 5-Series Touring Wagon F11 Models Include: 520d, 520i, 523i, 525d, 528i, 530d, 530i, 535d, 535i, 550i for BMW 5-Series F10 / F10, F18 Saloon Delivery 1 x air suspension rear axle right or left Product Description * Condition: Brand New * Placement on Vehicle: rear left or right side * Quantity: 1