That's a ton of owners. I'm the second owner of my 99 323i 124k on it now and bought it with 67k (my assumption is the OP didn't want to maintenance it)
I'd hate to beat a dead horse. But the Wiki on the top bar (right hand side) of any page here is your best friend.
And use the search function, because if you ask a question that has been asked a million times (probably anything you want to ask lol) it will most likely go un-answered.
I hope your BMW experience is a good one.
Welcome to the Fest!
If you keep on doing what you've always done
You'll keep on being what you've always been
NOTHING changes unless you make it change