A man was pulled from his car by three Bronx cops as his passenger took video that appears to show one of the officers punching him in the head as others wrestle him to the ground during a traffic stop on July 26.

During the melee, Timothy Nelson, 24, is heard shouting, “Y’all is punching me in the face. What did I do to deserve this?’’

The violence took place near 229th Street and Laconia Avenue after Nelson was pulled over for making an illegal U-turn and failing to signal before making three other turns.

Cops said they found a baggie of marijuana and he was charged with pot possession and resisting arrest. The Internal Affairs Bureau is looking into the incident.