A 13 BMW 525LI small screen for 10.2-inch screen | Navigation | Bluetooth | reversing video system Features trajectory is an introduction, the original design, does not undermine the premise of the original car lines, replace the original car display, a navigation function does not affect the original vehicle warranty; 2, the original car entertainment system still exists, the original car disc box functionality is still as usual; original car steering wheel keypad control, trip computer control functions still exist; 3, the most leading navigation map Software: Kay Rucker / true-map optional; 4, Map Software with SD card storage, high efficiency, easy to update, lower cost (the original disc navigation is generally the way they operate with low efficiency, and upgrade costs 800-1000 times); 5 , traffic will be free to control the navigation screen is displayed (the original car navigation traffic, automatic lock, can not see the navigation map, deputy operations can not see the driver's seat); 6, handwriting touch control navigation (except for some down-screen), easy to operate ( original car navigation generally use the remote control button operation). 7, optional Bluetooth, safety calls, automatic docking, off automatically disconnected; 8, CMMB optional high-definition digital TV, at least seven stations across the country; 9, optional reverse image, single-disc DVD, 6 disc DVD, rear headrests, armrests panel, ceiling panel, creating a comprehensive car audio and video entertainment system (the original car's own would not install)