Boot space and storage. The X1’s bootspace is pretty impressive. It measures in at 540 litres, 100-ish litres more than the Mercedes GLA and Volvo XC40, and on par with the Audi Q3. 15. BMW X1 boot space. Sliding rear seats come as standard on xLine and M Sport models. This enables you to prioritise rear passenger legroom or space in the boot.BMW 2 Series Gran Tourer 2015> Estate Bespoke Tailgate Guard is tailored to your vehicle’s specifications. Designed to sit up against the Tailgate of the vehicle to allow safe exit of your dog. Comes with a removable door and slide bolts designed to accept padlocks. The guard is finished in a hard wearing, non-toxic, black powder coat. BMW 2 Series Gran Tourer. L x W x H: 4568 x 1800 x 1612 mm Up to 7 seater. width and height of each vehicle BMW are expressed in millimeters and the boot space in OxBW.