EVO X 5.6 was not possible to add. I used this one and a GA 5.2. I missed the 40 kn topspeed very close....(39,54 kn max), but a big PR :-) for me
This feature is only available for Premium members. If you are a premium member make sure that you are logged in. You can upgrade to premium member by selecting the DASHBOARD menu item and choose for Premium member.