Here are four forums that may be interest to the Do-It-Yourself types and those who want to learn about and familiarize themselves with their car's quirks and characteristics:

1 - https://www.northamericanmotoring.com/forums/
2 - https://www.motoringalliance.com/forums/
3 - https://www.minitorque.com/forums/
4 - https://www.mini2.com/forums/

And here are two FaceBook pages that may be of interest:

1 - R56 / MINI Alliance — https://www.facebook.com/groups/1220353648035412/

2 - N14 Survivor Support Group — https://www.facebook.com/groups/713376242178096/


There are no fees or charges for any of these links, although it might take awhile to get signed up. All can be browsed immediately.
Links