Justin Bieber is done driving like an a-hole inside his Calabasas community ... so says neighbor and NFL Hall of Famer Eric Dickerson -- but Biebs 'aint off just yet.
Dickerson was cruising the 'Bas with his family ... and seemed relatively happy with Justin for making a change.
As you may recall, Bieber's fast driving earlier this year pissed off a ton of neighbors -- including Keyshawn Johnson who famously confronted him about it ... and Dickerson told us afterward he understood why.
The football legend doesn't give Justin a full pass though ... check out the video, you'll understand.
Now if only Justin would fix that shirt problem.
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