Introducing the Factory Direct Car Accessories Viano Manual built-in Sliding Seat Rail Seat Dual Rails Sliding Trunk For X5. As a factory direct supplier, we guarantee the highest quality, durability, and functionality of our products. With this unique seat rail system, you can easily adjust your seat position to find the perfect driving position. The dual rails provide added stability and security, ensuring a smooth, comfortable ride. Additionally, the sliding trunk offers ample space for storage, making it the perfect addition to any X5 vehicle. Invest in this premium car accessory and experience the ultimate in driving convenience and comfort.