I have updated my subscription on my MAXICOM MK808BT and I have now downloaded the updates apart from 2 which is BMW and Porsche

these  2 keep downloading and then goes to install and goes back to downloading I have moved the vehicles i do not want from my database to a 32GB SD card and I have enough memory for the downloads but they will not install also the icons for these 2 vehicles has vanished any help please! Many Thanks.