That is disappointing regarding the retro fit - I have them same question though. What if you need a replacement motor? They have to offer it if the 8000 is discontinued. Also although it seems worse on the EP8 I'm really surprised of this 'news' of the rattle noise. I purchased a Meta Power SX...
Stick with it and dont regret your decision - just ride it. I have my first ebike, a Commencal Meta Power SX which I got last year and although I absolutely loved it straight away I realised it actually took me a long time to really gel with a ebike. I came off a 27.5 YT Capra and riding...
Old thread but I thought this may be of help. Make sure your Firmware is updated on the Etube app as there is a bug fix for this issue. My walk assist sorted of did something but never worked properly either especially with long presses of the button. I just updated it and now it works really...