Separation of base and motor is very difficult, and usually lead to poor sealing. Our motor and base have been connected in advance. It's very easy to installation. 1 x Motor with Base as Pictures.Please pay for your item immediately after order. We pursuit 100% customers satisfaction guarantee. The service for the customers is the most important to us. So glad to have more choice to serve you. The item "Convertible Top Hydraulic Roof Pump Motor & Base Fits for 2003-2008 BMW Z4 E85" is in sale since Monday, September 7, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Sunroof, Convertible & Hardtop". The seller is "feekor" and is located in Ontario, California. This item can be shipped to United States.