After much deliberation and research I chose the Chigee AIO-6 MAX. The BMW ConnectedRide Navigator was prohibitively expensive and the BMW App required the purchase of a similarly expensive adaptor to hold and power a Smart Phone. Neither had good reviews. I could have simply used some 3rd party phone mount and USB cable for my phone, but c'mon, we can do better than that surely? Chigee came out tops in all reviews of various Android Auto or Apple equivalent navigation devices. Mind you, it was also reviewed as the most expensive. (But still way less than the BMW ConnectedRide.) Having decided on Chigee, and understanding AIO-6 is one inch bigger than AIO-5, (size matters) I was confronted with the choice AIO-6 LTE or MAX? With or without cameras? The fact is, both are able to be used with cameras, back and front. But the Chigee supplied cameras are 1080, which are really not good enough to catch the detail of a car number plate, for example. 4k video would do the job much better, but the file sizes would then be enormous. I have a DJI action camera that can do all that. So, LTE or MAX? The difference is simply that the LTE uses a SIM card and therefore a phone plan with additional costs. The idea is, you use your Smart Phone to connect remotely to your bike's cameras/system and be alerted when someone is interfering with the bike. You can also watch a recorded film of yourself riding, but understand download time and data cost would spoil your fun. So, I'm very happy with my choice: AIO-6 MAX. I can navigate with Google Maps, Waze, etc. I can listen to my music, or Spotify etc. I can take calls, text messages, perfect. Exactly what I wanted. My initial Bluetooth setup had to be revised because I had everything BlueTooth connected to everything else, ie; headphones/smartphone/Chigee/BMW Bike. Lots of drop outs and confusion. I have now configured it so the bike and Chigee talk to each other via hard wiring, then my smartphone talks via Bluetooth to Chigee. My smartphone then talks to me via Bluetooth and my headset. It works! (Ask me again in 6 months!)