There are many variations, ranging from the banal receipt of answers to your questions and just informal communication, ending with the privileges of membership in the club. Everything is clear with the first: we discussed the car, problems, solutions, shared our experiences, talked for life ... Then we got together for a party.
The program of offline events depends only on the organizational abilities and capabilities of the administration, as well as the inertia of the audience. As a rule, there is a skeleton that participates in any “movement”, there are beginners who come, get to know each other and do not appear at offline events anymore. The format of meetings varies - from cultural and social (trips to museums, memorial places, gifts in an orphanage) to ordinary picnic and barbecue. Sometimes, by the way, they are mixed.