The feds have busted 20 people in Brooklyn today for staging car accidents and filing false claims, authorities said.

The group would stage the accidents, then call police in order to file reports in a scheme to make millions of dollars worth of fraudulent claims, sources told The Post.

The 20 people will be charged in Brooklyn federal court this afternoon on a variety of fraud charges.

“They would fill up two cars and bump them into each other and call the police and file a report,” a source said.