XTRONS 10.25 Inch Touch Display Car Stereo Radio Android 8.0 Octa-Core 4GB DDR3 RAM 32GB ROM Multimedia Receiver GPS Navigation Supports Bluetooth 5.0 SWC DVR Backup Camera OBD2 WiFi for BMW E53 X5

so it's the back of the radio that's the loom for all yet auxilary video in and outs called even out external microphone in this is the loom that just converts to the OEM connector that's here there's two different types of connectors these cars use that's another one that's the new one that's the box that you plug in it's pre-programmed and it what does it do it decodes some of the I okay bow signals off the steering wheel to control things like volume and skip but that only really works on the default radio music player ups so these are the brackets that you put in a pretty cheap flimsy things that come you screw them into the original cage mounting points they stop the radio going too far back there's a couple of tapped holes that you can use to fix radio in place I'm going to modify those brackets when I'm happy with it all installed there's little covers there you prize out you can