Multiple BuddyPress Sites on a WPMS Network sharing users & Profiles

Multiple BuddyPress installs on a network can be done, but can they all share users and profile information.

Last time i tried this i Used WP Multi Networks plugin and Buddypress

I do not want multiple network or network of networks. Just one WPMS with multiple BP sites that share profiles and users.

This is as close as i can find out the box

It allows users to belong to each site, but does not share profiles and other user information.

I know it sounds “Uh Why would you want to do this” but it does have a practical use for my needs!

So any ideas???? lol