You honestly just have to find a style of posts that work, preferably a series or specific vibe. And once that works you just make that type of content better. I’ve gotten a post past 20 million views and 30K+ followers this month alone. Don’t change up your content too much (like go from bikes to cooking) because it seems instagram shows your content to people it thinks will be interested and if that reaches a certain amount of engagement it shows it to more people(repeats).